wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Find Area with Decimals

Total questions: 9

Worksheet time: 2hrs 15mins

Name
Class
Date
1.

Calculate the area of this shape. Round to the nearest hundredth if necessary.

a)

16.28 in2

b)

39.96 in2

c)

39.96

d)

47.52 in2

2.

Find the area of this shape. Round to the nearest hundredth if necessary. Use the pi button on your calculator.

a)

760.27 m2

b)

380.13 m2

c)

190.07 m2

d)

34.56 m2

3.

Find the area of this shape. Round to the nearest hundredth if necessary.

a)

5.2 ft.2

b)

42.9 ft.2

c)

142.73 ft.2

d)

285.45 ft.2

4.

Write an equation to solve for the radius in the following problem:


Find the diameter of a semicircle with an area of 76.97 square yards.

a)

76.97 = π r²

b)

76.97 = 2 π r

c)

76.97 = ½ π r²

5.

Solve: Find the diameter of a semicircle with an area of 76.97 square yards. Round to the nearest hundredth. Use the pi button on your calculator.

a)

24.5 yd

b)

7 yd

c)

9.9 yd

d)

14 yd

6.

A rectangle has an area of 104 cm2 and a width that measures 8 cm. Find the perimeter of the rectangle.

a)

42 cm2

b)

42 cm

c)

13 cm

d)

13 cm2

7.

Calculate the area of the shaded region.


Tip: The lengths of the triangle's base and height are 10.2 ft and 28 ft., respectively.

a)

387.4 ft. 2

b)

235.4 ft. 2

c)

295.6 ft. 2

d)

244.6 ft. 2

8.

What is the the length of the radius of ONE circle?

a)

r = 4.5 cm

b)

r = 9 cm

c)

r = 18 cm

d)

r = 4.2 cm

9.

Find the area of the shaded region. Round to the nearest tenth, and use the pi button on your calculator.

a)

63.6 cm 2

b)

69.5 cm 2

c)

98.4 cm 2

d)

34.8 cm 2