Quiz about Area and Sector

Question 1

Find the area of the circle

Accepted Answer

254.34

Answer

56.52

Answer

1017.36

Answer

113.04

Question 2

Find the area of a semicircle with a radius of 5.

Accepted Answer

39.27

Answer

31.42

Answer

7.85

Answer

15.71

Question 3

Find the EXACT area of the circle.

Accepted Answer

$$49\pi\ km^2$$

Answer

$$14\pi\ km^2$$

Question 4

Find the EXACT area of the circle.

Accepted Answer

$$25\pi\ in^2$$

Answer

$$10\pi\ in^2$$

Question 5

Find the EXACT area of the circle.

Accepted Answer

$$256\pi\ ft^2$$

Answer

$$64\pi\ ft^2$$

Question 6

Find the EXACT area of the sector.

Accepted Answer

$$\frac{121\pi}{8}in^2$$

Answer

$$\frac{2\pi}{3}in^2$$

Answer

$$\frac{343\pi}{24}in^2$$

Answer

$$22\pi\ cm^2$$

Question 7

find the area of the circle with radius 3 cm below.

Accepted Answer

28.26 cm2

Answer

100 cm2

Answer

225 cm2

Answer

9 cm2

Question 8

What is the area of this circle?

Accepted Answer

50.27

Answer

78.23

Answer

98.12

Answer

201.06

Question 9

what is the area of this semicircle ?

Accepted Answer

none of the above

Answer

100.48cm2

Answer

80cm2

Answer

200.96cm2

Question 10

In the diagram of circle O, what is the area, in terms of $$\pi$$ , of the shaded region?

Accepted Answer

$$\frac{160\pi}{3}$$

Answer

$$\frac{4\pi}{3}$$

Answer

$$\frac{20\pi}{3}$$

Answer

$$\frac{32\pi}{3}$$

Question 11

Calculate the length of the bold arc.

Accepted Answer

49.7 ft

Answer

15.8 ft

Answer

24.9 ft

Answer

3.14 ft

Question 12

Calculate the length of the bold arc.

Accepted Answer

44 cm

Answer

5040 cm

Answer

43 cm

Answer

14 cm

Question 13

A area between/bounded by two radii of the circle and the arc where the radii meet the circle.

Accepted Answer

sector of a circle

Answer

triangle

Answer

arc length of a circle

Answer

segment of a circle

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