8 th Grade Math Chapter 9b Review. Chapter 9b Review 1)Give the formulas for: a)area of a circle b) circumference of a circle.

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Presentation transcript:

8 th Grade Math Chapter 9b Review

Chapter 9b Review 1)Give the formulas for: a)area of a circle b) circumference of a circle

Chapter 9b Review Answer 1)Give the formulas for: a)area of a circle b) circumference of a circle A =  r 2 C =  d

Chapter 9b Review 2)Give the formulas for: a)area of a triangle b) area of a trapezoid

Chapter 9b Review Answer 2)Give the formulas for: a)area of a triangle b) area of a trapezoid bh A = 2 (b 1 + b 2 )h A = 2

Chapter 9b Review 3)Find the perimeter and area of a rectangle with l = 12 m and w = 4 m.

Chapter 9b Review Answer 3)Find the perimeter and area of a rectangle with l = 12 m and w = 4 m. Perimeter = 32 m Area = 48 m 2

Chapter 9b Review 4)Find the perimeter and area of this triangle. 8 in 5 in 6 in 10 in

Chapter 9b Review Answer 4)Find the perimeter and area of this triangle. Perimeter = 24 in Area = 25 in 2 8 in 5 in 6 in 10 in

Chapter 9b Review 5)Name the shape. Find the surface area. 6 cm 10 cm 3 cm

Chapter 9b Review Answer 5)Name the shape. Find the surface area. Rectangular prism SA = 216 cm 2 6 cm 10 cm 3 cm

Chapter 9b Review 6)Find the volume. 6 cm 10 cm 3 cm

Chapter 9b Review Answer 6)Find the volume. volume = 180 cm 3 6 cm 10 cm 3 cm

Chapter 9b Review 7) Name the shape. Find the surface area. 9 m 6 m

Chapter 9b Review Answer Cylinder SA = m 2 9 m 6 m 7) Name the shape. Find the surface area.

Chapter 9b Review 8) Find the volume. 9 m 6 m

Chapter 9b Review Answer V = m 3 9 m 6 m 8) Find the volume.

Chapter 9b Review 9) Name the shape. Find the surface area. 10 in 4 in 5 in 2 in 1.5 in

Chapter 9b Review Answer Trapezoidal prism SA = in 2 9) Name the shape. Find the surface area. 10 in 4 in 5 in 2 in 1.5 in

Chapter 9b Review 10) Find the volume. 10 in 4 in 5 in 2 in 1.5 in

Chapter 9b Review Answer V = 67.5 in 3 10) Find the volume. 10 in 4 in 5 in 2 in 1.5 in