8th Grade Math Unit 8 Review

Unit 8 Review a) Is every square also a parallelogram? b) Can an obtuse triangle also be a right triangle?

Answer Unit 8 Review a) Is every square also a parallelogram? yes b) Can an obtuse triangle also be a right triangle? yes no

Unit 8 Review a) Draw and label an equilateral parallelogram that is not a square. b) Name the shape above. Be as specific as you can.

Answer Unit 8 Review a) Draw and label an equilateral parallelogram that is not a square. b) Name the shape above. Be as specific as you can. rhombus

How many sides does each polygon have? Chapter 8 Review How many sides does each polygon have? a) octagon b) quadrilateral c) pentagon d) rhombus

Answer How many sides does each polygon have? Chapter 8 Review a) octagon b) quadrilateral c) pentagon d) rhombus 8 4 5 4

Give the formulas for: Unit 8 Review a) area of a circle b) circumference of a circle

Answer Give the formulas for: Unit 8 Review a) area of a circle b) circumference of a circle A = r2 C = d

Give the formulas for: a) area of a triangle b) area of a trapezoid Unit 8 Review Give the formulas for: a) area of a triangle b) area of a trapezoid

Answer Give the formulas for: Unit 8 Review a) area of a triangle b) area of a trapezoid bh A = 2 (b1 + b2) A = h 2

Find the perimeter and area of a rectangle with l = 12 m and w = 4 m. Unit 8 Review Find the perimeter and area of a rectangle with l = 12 m and w = 4 m.

Answer Unit 8 Review Find the perimeter and area of a rectangle with l = 12 m and w = 4 m. Perimeter = 32 m Area = 48 m2

Find the perimeter and area of this triangle. Unit 8 Review Find the perimeter and area of this triangle. 8 in 6 in 5 in 10 in

Answer Find the perimeter and area of this triangle. Unit 8 Review Perimeter = 24 in Area = 25 in2 8 in 6 in 5 in 10 in

8) Find the perimeter and area of each figure Unit 8 Review 8) Find the perimeter and area of each figure Rectangle with length 4m and width 0.5m. 2 in 1.5 in 8 in

Answer 8) Find the perimeter and area of each figure Unit 8 Review 8) Find the perimeter and area of each figure Rectangle with length 4m and width 0.5m. 2 in 1.5 in 8 in Perimeter = 20 in, Area = 12 in2 Perimeter = 9 m, Area = 2 m2

9) Find the perimeter and area of each figure Unit 8 Review 9) Find the perimeter and area of each figure 5 m 5 m 3 m 8 m

9) Find the perimeter and area of each figure Answer Unit 8 Review 9) Find the perimeter and area of each figure 5 m 5 m 3 m 8 m Perimeter = 21 m, Area = 19.5 m2

10) What is the shaded area? Unit 8 Review 10) What is the shaded area? 8 cm 3 cm 4 cm

10) What is the shaded area? Answer Unit 8 Review 10) What is the shaded area? 8 cm 3 cm 4 cm Area = 64 – 7.07 + 16 = 72.94 cm2