Final Exam WAVE 7 Group 2

1.  A trapezoid has an area of 600 in². The height is 10 in. If the length of one base is 3 times the length of the other base, find the lengths of both bases.

• 30 and 90

• 30 and 60

• both are 30

• 10 and 20

Tags

CCSS.6.G.A.1

2.  Polygon’s restaurant has square tables that seat one person on each side. To seat larger parties, two or more tables are pushed together. What is the least number of tables needed to seat a party of 19 people who want to sit together?

• 6 tables

• 7 tables

• 8 tables

• 9 tables

Tags

CCSS.4.NBT.B.6

3.  In a parallelogram ABCD, angle ABC is two times as large as angle BCD. What is the measurement of angle ADC?

• 60

• 120

• 180

• 90

Tags

CCSS.HSG.CO.C.11

4.  The first angle of a triangle is eight degrees more than two times the third angle. The second angle is two degrees less than three times the third angle. Find all three angles.

• 60, 60, 60

• 30, 66, 85

• 29, 66, 85

• 30, 60, 90

Tags

CCSS.8.G.A.5

5.  The base of an isosceles triangle is the side that is not congruent to the other two sides. Base angles are the angles formed by the base and one of the congruent sides. Given that one base angle of an isosceles triangle is 39 degrees, find the measure of the other two angles in the triangle.

• 190 and 2

• 15 each

• 39 and 102

• 39 and 120

Tags

CCSS.8.G.A.5

6.  Explain what happens to the area and perimeter of a square if you double its side lengths.  Provide an example to justify your answer.

• Perimeter doubles and area is 4 times larger

• both double

• both are 4 times larger

• Measurements stay the same

Tags

CCSS.7.G.A.1

7.  An office manager wants to order carpeting for a rectangular meeting room that is 45 feet wide and 60 feet long. The carpeting must be ordered in square yards. Write an equation/explain in words the office manager could use to determine how many square yards of carpeting to order. Choose all that apply.

• Divide the length and width by 3 to convert to yards, then use A=lw

• Multiply the length and width, then divide by 9 to convert to yards.

• Divide only the length by 3

• Divide only the width by 3

Tags

CCSS.5.MD.A.1

8.  A square has a perimeter of 64 inches.  Find the area of the square.

• 64

• 8

• 16

• 256

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

9.  Sean and Ardit have similar triangles. Ardit’s triangle has a base of 18 cm and a height of 12 cm. If the dimensions of Sean’s triangle are  the measure of Ardit’s triangle, how many of Sean’s triangles will it take to make one of Ardit’s triangle? Show your work and justify your answer.

• 6 triangles

• 7 triangles

• 8 triangles

• 9 triangles

Tags

CCSS.7.G.A.1

10.  The area of a circle is 350 in². Find the circumference. (ESTIMATE)

• about 120

• about 60

• about 30

• about 10

Tags

CCSS.7.G.B.4