Perimeter or Area of Circles

The perimeters of the two circles are in the ratio 2 : 3.  The ratio of their areas is ___

• 4 : 9

• 2 : 3

• 7 : 9

• 4 : 10

Tags

CCSS.7.G.B.4

• a)
• b)
• c)
• d)

Tags

CCSS.HSG.C.B.5

Choose the correct answer:
If the circumference of a circle and the perimeter of a square are equal, then

• Area of circle = Area of square

• Area of circle > Area of square

• Area of circle <Area of square 

• Nothing can be said about the relation of areas 

Tags

CCSS.7.G.B.4

If areas of two circles are equal, then their circumferences are also equal

• TRUE

• FALSE

Tags

CCSS.7.G.B.4

• Area of a rectangle

• Area of a triangle

• Area of a circle

Tags

CCSS.7.G.B.4

If the area of a circle is four times larger than the circumference of that same circle, what is the diameter of the circle?

(a)  

Tags

CCSS.7.G.B.4

Area of circle is 154cm², and Area of minor sector is 7.7cm², then calculate area of major sector of circle.

• 145 cm²

• 146.3 cm²

• 77 cm²

• 147 cm²

Tags

CCSS.HSG.C.B.5

• a

• b

• c

• d

Tags

CCSS.7.G.B.4

The area of the circle that can be inscribed in a square of side 6 cm is

• 36pi sq.cm

• 18pi sq.cm

• 12pi sq.cm

• 9pi sq.cm

Tags

CCSS.HSG.C.B.5

If the perimeter and the area of a circle are numerically equal, then the radius of the circle is

• 2 Units

• 4 Units

• 3 Units

• 7 Units

Tags

CCSS.7.G.B.4