Duplicate of Geometry: Area of Geometric Figures - MATH

Question 1

One diagonal in a rhombus is 12 cm. The other is 1/3 as long. What is the area of the rhombus?

Accepted Answer

24 cm2

Question 2

A farmer has 64 ft of fence to make a rectangle. If the length is x, which represents its area?

Accepted Answer

x(32 – x)

Question 3

What is the approximate area of a paved surface made of a rectangle and semicircle as shown?

Accepted Answer

982.1 ft2

Question 4

Which calculation would not result in the correct area of the trapezoid?

Accepted Answer

(12/2)+(15/2)

Question 5

What is the area of a circle that has a diameter of 10?

Accepted Answer

25π

Question 6

What is the area of the regular hexagon?

Accepted Answer

216√3

Question 7

A square has side length x. Its width is increased by 3 and its length by 5. The new area is

Accepted Answer

x2 + 8x + 15

Question 8

What is the area of the parallelogram?

Accepted Answer

5.76 cm2

Question 9

The side length of a square is represented by 5x – 2. Which expression represents its area?

Accepted Answer

25x2 – 20x + 4

Question 10

What is the area of a quarter of a circle that has a radius of 12 inches?

Accepted Answer

36π square inches

Question 11

What is the area of the figure?

Accepted Answer

379 m2

Questions 11