Circle Unit Test

If a circle has an area of 153.9 square feet, find the diameter.

• 98 ft

• 15.2 ft

• 14 ft

• 14.6 ft

Tags

CCSS.7.G.B.4

A circle has an equation (x - 6)² + (y - 2)² = 49. What are the coordinates of the center and the length of the radius?

• center (6, 2)

  radius 7

• center (-6, -2)

  radius 49

• center (6, 2)

  radius 49

• center (-6, -2)

  radius 7

Tags

CCSS.HSG.GPE.A.1

What is the correct equation for the circle?

• (x -5)² + (y -4)² = 9

• (x -4)² + (y +3)² = 1

• (x -4)² + (y +2)² = 4

• (x - 3)² + (y -5)² = 4

Tags

CCSS.HSG.GPE.A.1

A circle has center (-4, 7) and radius 10. What is the equation for the circle?

• (x+4)²+(y-7)² = 100

• (x+7)²+(y+4)² = 100

• (x-4)²+(y+7)² = 100

• (x+4)²+(y-7)² = 10

Tags

CCSS.HSG.GPE.A.1

What is the equation for a circle with center (16, 0) and a point on the circle at (13, 0)?

• (x-16)²+y² = 81

• (x-16)²+y² = 9

• x²+(y-16)² = 81

• (x+13)²+y² = 9

Tags

CCSS.HSG.GPE.A.1

Find the exact circumference.

Tags

CCSS.7.G.B.4

Find the length of the indicated arc.

• 0.5 mi

• 158.4 mi

• 58.9 mi

• 23.6 mi

Tags

CCSS.HSG.C.B.5

Which equation matches the circle?

• (x + 3)² + y² = 9

• (x - 4)² + y² = 81

• (x + 3)² + y² = 81

• (x +3)²+(y +2)² = 9

Tags

CCSS.HSG.GPE.A.1

A circle has center (-13, -2), and (-7, -2) is a point on the circle. What is an equation for the circle?

• (x-13)²+(y-2)² = 36

• (x+13)²+(y+2)² = 51

• (x+7)²+(y+2)² = 36

• (x+13)²+(y+2)² = 36

Tags

CCSS.HSG.GPE.A.1

Find the measure of arc AB.

• 60^o

• 34^o

• 68^o

• 19^o

Tags

CCSS.HSG.C.A.2