2D shapes test review

2D Shapes Test Review

By Cassandra Poulin

​Skill 1: You can find the area of composite shapes including circles.

Multiple Choice

Find the area of the triangle

• 48 sq cm
• 24 sq cm
• 30 sq cm 

Multiple Choice

What is the area of the shaded region?

• 20 sq cm
• 4 sq cm
• 30 sq cm
• 24 sq cm

Multiple Choice

• 54 cm2
• 45 cm2
• 63 cm2
• 36 cm2

Multiple Choice

Find the area

• 41
• 45
• 44
• 43

Multiple Choice

What is the area of this composite shape?

• 14 in²
• 68 in²
• 36 in²
• 24 in²

Multiple Choice

What is the area of this composite shape? (Use 3.14 = π and round to the nearest tenths place)

• 21
• 19.2
• 40.2
• 42

Multiple Choice

Find the composite area.

• 6.28

• 24

• 40

• 38.28

Multiple Choice

What is the area of the shaded region?

• $$625\ ft^2$$

• $$156.25\Pi\ ft^2$$

• $$625\ -\ 156.25\Pi\ \ ft^2$$

• $$469\Pi\ ft^2$$

Multiple Choice

Find the area of the shaded reagion.

• $$42.25\Pi-30\ in^2$$

• $$12.25\Pi\ in^2$$

• $$42.25\Pi\ -\ 60\ \ in^2$$

​Skill 2: You can find missing angles using angle relationships.

Multiple Choice

_{These are Complementary angles. Find x.}

• 15
• 25
• 75
• 90

Multiple Choice

• 15
• 16
• 18
• 19

Multiple Choice

Find the value of x.

• 14

• 60

• 35

• 180

Multiple Choice

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Multiple Choice

Solve for x

• 6
• 140
• 20
• 90

​Skill 3: You can determine if given sides or given angles make no triangles, one triangle, or infinitely many triangles

Multiple Choice

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Multiple Choice

Will the following three angles for a triangle?

30°, 60°, 90°

• yes

• no

Multiple Choice

Will these line segments form a triangle?

• yes

• no

Multiple Choice

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Multiple Choice

If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length
• equal to 10
• greater than 10
• less than 10

Multiple Choice

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 ft, 13 ft

• more than 6 but less than 20
• more than 20 but less than 6
• less than 6 but more than 20

Multiple Choice

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 mm, 4 mm

• more than 3 but less than 11
• more than 11 but less than 3
• less than 3 but more than 11