## Area and perimeter questions and answers

What is the area of a square with a side length of 5 units?

A) 20 square units

B) 15 square units

C) 10 square units

D) 25 square units

Answer: D) 25 square units

The length and width of a rectangle are 8 units and 5 units , respectively. What is the area of the rectangle?

A) 40 square units

B) 13 square units

C) 35 square units

D) 15 square units

Answer: A) 40 square units

What is the area of a circle with a radius of 3 units? (Use π = 3.14)

A) 9.42 square units

B) 6.28 square units

C) 28.26 square units

D) 18.84 square units

Answer: C) 28.26 square units

The base of a triangle is 6 units and its height is 4 units . What is the area of the triangle?

A) 12 square units

B) 18 square units

C) 8 square units

D) 24 square units

Answer: C) 8 square units

The radius of a circular garden is 7 meters. What is the approximate area of the garden? (Use π = 3.14)

A) 153.86 square meters

B) 43.96 square meters

C) 153.94 square meters

D) 153.14 square meters

Answer: A) 153.86 square meters

The length of a square is increased by 50%. By what percentage does its area increase?

A) 75%

B) 125%

C) 100%

D) 150%

Answer: B) 125%

A rectangular field has a length of 12 meters and a width of 8 meters. What is the area of the field in square meters?

A) 96 square meters

B) 20 square meters

C) 96 square centimeters

D) 20 square centimeters

Answer: A) 96 square meters

A circle has a diameter of 10 centimeters. What is the approximate area of the circle? (Use π = 3.14)

A) 78.5 square centimeters

B) 31.4 square centimeters

C) 314 square centimeters

D) 785 square centimeters

Answer: A) 78.5 square centimeters

The base of a triangle is 10 units and its height is 8 units . What is the area of the triangle?

A) 20 square units

B) 40 square units

C) 30 square units

D) 80 square units

Answer: C) 30 square units

The radius of a circular swimming pool is 5 meters. What is the approximate area of the pool? (Use π = 3.14)

A) 78.5 square meters

B) 15.7 square meters

C) 31.4 square meters

D) 47.1 square meters

Answer: A) 78.5 square meters

The length and width of a rectangle are in the ratio 5 : 3. If the width is 6 units, what is the area of the rectangle?

A) 30 square units

B) 18 square units

C) 45 square units

D) 36 square units

Answer: D) 36 square units

A circular pizza has a diameter of 12 inches. What is the approximate area of the pizza? (Use π = 3.14)

A) 113.04 square inches

B) 37.68 square inches

C) 226.08 square inches

D) 452.16 square inches

Answer: A) 113.04 square inches

The base of a parallelogram is 9 units and its height is 5 units. What is the area of the parallelogram?

A) 14 square units

B) 18 square units

C) 27 square units

D) 45 square units

Answer: B) 18 square units

A circular garden has a circumference of 20 meters. What is the approximate area of the garden? (Use π = 3.14)

A) 31.8 square meters

B) 10.2 square meters

C) 63.6 square meters

D) 127.2 square meters

Answer: A) 31.8 square meters

The length and width of a rectangle are 15 units and 10 units, respectively. What is the area of the rectangle?

A) 150 square units

B) 100 square units

C) 25 square units

D) 50 square units

Answer: A) 150 square units

The radius of a circle is tripled. How does the area of the circle change?

A) It becomes nine times the original area.

B) It becomes six times the original area.

C) It becomes three times the original area.

D) It becomes double the original area.

Answer: A) It becomes nine times the original area.

The length of a rectangle is increased by 20% , and the width is decreased by 10% . By what percentage does its area change ?

A) 10%

B) 8%

C) 12%

D) 2%

Answer: D) 2%

The diagonal of a square is 10 units. What is the area of the square?

A) 25 square units

B) 50 square units

C) 75 square units

D) 100 square units

Answer: A) 25 square units

The radius of a circular table is 3 feet. What is the approximate area of the table? (Use π = 3.14)

A) 9.42 square feet

B) 6.28 square feet

C) 28.26 square feet

D) 18.84 square feet

Answer: C) 28.26 square feet

The base of a triangle is 12 units and its height is 9 units . What is the area of the triangle?

A) 54 square units

B) 36 square units

C) 108 square units

D) 72 square units

Answer: B) 36 square units

A circular pond has a radius of 8 meters. What is the approximate area of the pond ? (Use π = 3.14)

A) 200.96 square meters

B) 50.24 square meters

C) 100.48 square meters

D) 400.96 square meters

Answer: A) 200.96 square meters

The length and width of a rectangle are in the ratio 4:7. If the width is 14 units, what is the area of the rectangle?

A) 56 square units

B) 98 square units

C) 28 square units

D) 196 square units

Answer: B) 98 square units

The circumference of a circle is 24π units. What is the area of the circle?

A) 144 square units

B) 576 square units

C) 432 square units

D) 288 square units

Answer: C) 432 square units

A triangular field has a base of 20 meters and a height of 8 meters. What is the area of the field?

A ) 80 square meters

B) 160 square meters

C) 40 square meters

D) 320 square meters

Answer: A) 80 square meters

The diameter of a circular plate is 15 inches. What is the approximate area of the plate? (Use π = 3.14)

A) 176.625 square inches

B) 117.75 square inches

C) 353.25 square inches

D) 706.5 square inches

Answer: B) 117.75 square inches

The length of a rectangle is tripled , and the width is doubled . By what factor does its area change?

A) 3

B) 6

C) 2

D) 9

Answer: D) 9

The base of a triangle is 14 units and its height is 10 units. What is the area of the triangle?

A) 70 square units

B) 140 square units

C) 50 square units

D) 100 square units

Answer: A) 70 square units

The radius of a circular garden is doubled . How does the area of the garden change?

A) It becomes four times the original area.

B) It becomes three times the original area.

C) It becomes double the original area.

D) It becomes half the original area.

Answer: A) It becomes four times the original area.

The length and width of a rectangle are 12 units and 6 units, respectively. What is the area of the rectangle?

A) 72 square units

B) 18 square units

C) 36 square units

D) 24 square units

Answer: A) 72 square units

The diagonal of a square is 12 units. What is the area of the square?

A) 36 square units

B) 72 square units

C) 144 square units

D) 24 square units

Answer: C) 144 square units