Scales Triangles/Angles

Cross Sections Circles Measurements

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

Question 1 - 10

• SG #1• The scale drawing of a swimming pool is

shown below. The drawing used a scale of 1 inch = 3 ft.

• What is the perimeter of the actual swimming pool? 6 in 4 in

Answer 1 – 10

• 60 feet

Question 1 - 20

• SG #2 • Taylor made a scale drawing of her room

using a scale z= ½ inch = 1 foot. On the drawing, the length of the room is z = 3 inches and the width is 4 ½ inches. What is the area of Taylor’s actual room?

Answer 1 – 20

• 54 square feet

Question 1 - 30

• SG # 4 • Sarah made a scale drawing of a dinosaur.• She made the height of the dinosaur 4 inches• The actual height of the dinosaur is 20 feet • What scale did Sarah use for her drawing?

Answer 1 – 30

• 1 inch = 5 feet

Question 1 - 40

• SG # 3• A map has a scale of 1 cm = 10 miles. If a

county is 80 miles wide, how wide is the county on the map?

Answer 1 – 40

• 8 cm

Question 2 - 10

• SG # 6 • Ms. Williams had each student take 3 pencils

and create a triangle with them. Roberto has 3 pencils that measure 12 cm, 5 cm, and 7 cm. How many triangles can Roberto create with his 3 pencils?

• Hint – look at the triangles page from chapter 8

Answer 2 – 10

• None • The two smaller sides must add up to be

greater then the largest side

Question 2 - 20

• SG #5 • An isosceles triangles has an angles that

measures 80 degrees. Which could be the measure of another angle in the triangle?

Answer 2 – 20

• 50 degrees

Question 2 - 30

• SG # 7 • Amanda is using colored sticks to make

triangle for a class project. Each colored stick has a different measurement as shown in the table below. Which combination of sticks could be used to create a triangle?

Red – 2Blue – 3

Yellow – 4Green – 6Brown – 8

Answer 2 – 30

• Will vary!

Red – 2Blue – 3

Yellow – 4Green – 6Brown – 8

•

Question 2 - 40• SG # 14 • In the figure below, < JKM and < MKN are

complementary • What is the measure of <NKP?

50 40J

MN

P

LK

Answer 2 – 40

• 50 degrees

Question 3 - 10

• What does is mean to be perpendicular and parallel?

Answer 3 – 10

• Creates 90 degree angle • Never touch!

Question 3 - 20

• SG # 8 • A plane intersects a rectangular prism

perpendicular to its base. The plane forms a cross section. What is the shape of the cross section?

Answer 3 – 20

• Rectangle

Question 3 - 30

• SG # 10 • A cylinder is sliced in half. The diagram shows

how the solid is sliced.• What is the shape of the resulting cross

section?

Answer 3 – 30

• Rectangle

Question 3 - 40

• SG # 9 • A plane intersects a triangular pyramid

parallel to the base. The plane forms a cross section. What is the shape of the cross section?

Answer 3 – 40

• Triangle

Question 4 - 10

• SG # 12 • Jalen is making a circular pizza with a

circumference of 38 inches. What is the approximate radius of Jalen’s pizza? (Use 3.14 for pi, round to the nearest integer)

Answer 4 – 10

• Radius is about 6 inches

Question 4 - 20

• SG # 11 • A circle has a circumference of about 25

inches. What is the approximate measure of the diameter? (Use 3.14 for pi, and round to the nearest integer)

Answer 4 – 20

• The diameter is about 8 inches

Question 4 - 30

• SG #13 • A circle has a diameter of 8 cm. What is the

approximate area of the circle? (Use 3.14 for pi, round to the nearest integer)

Answer 4 – 30

• About 50 square cm

Question 4 - 40

• SG # 21 • Each block on the graph represents one unit. What

is the approximate area of the circle? (Use 3.14 for pi, round your answer to the nearest whole number)

Answer 4 – 40

• 79 square units

Question 5 - 10

• SG # 17 • What is the surface area of the triangular

prism?

Answer 5 – 10

• 840 square feet

Question 5 - 20

• SG # 16• The larger of two supplementary angles is 40

degrees more than the smaller angle. What is the degree measure of the larger angle?

Answer 5 – 20

• 110 degrees

Question 5 - 30

• SG # 18 • John will paint the four walls of his rectangular

basement. The basement measures 9 feet long, 14 feet wide, and 7 feet high and has no windows. The door into the room measures 2 feet by 8 feet and will not be painted. How many square feet of wall will John paint?

Answer 5 – 30

• 306 square feet

Question 5 - 40

• SG # 19 • A cardboard box is in the shape of a

rectangular prism. It has a length of 3.2 m, a width of 4.1 m, and a height of 0.5 m. The volume of the box is how many cubic meters?

Answer 5 – 40

• 6.56 cubic meters