GR 10 AREA RELATED TO CIRCLE

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CCSS.HSG.C.B.5

Say 'TRUE' or 'FALSE'
If areas of two circles are equal, then their circumferences are also equal

• TRUE
• FALSE

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CCSS.7.G.B.4

Say 'TRUE' or 'FALSE'
The distance traveled by a circular wheel of diameter d cm in one revolution is 2πd cm

• TRUE
• FALSE

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CCSS.7.G.B.4

Angle of the sector is 90°then the ratio of Area of circle to area of sector is

• A) 1:4

• B) 1:2

• C) 4:1

• D) 2:3

Tags

CCSS.HSG.C.B.5

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CCSS.HSG.C.B.5

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.( Use Pi =3.14)

• 25.2 in²

• 28.5 in²

• 31.4 in²

• 38.2 in²

Tags

CCSS.HSG.C.B.5

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of EQUAL SIZE, what is the area of the YELLOW SECTOR?

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 7.1 ft²

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

Tags

CCSS.HSG.C.B.5

Area of a sector of central angle 120° of a circle is 3π cm². Then the length of the corresponding arc of this sector is:

• 5.8 cm

• 6.1 cm

• 6.3 cm

• 6.8 cm

Tags

CCSS.HSG.C.B.5

What is the area of the shaded region?

• 25π - 50

• 25π - 100

• 5π - 50

• 5π - 100