STA Unit 7 Retake Assignment

Which set of numbers cannot represent the lengths of the sides of triangles?

• 4, 5, 9

• 4, 9, 10

• 15, 6, 20

• 11, 9, 20

Jackie created a cross section cut on a sphere. What plane figure did she discover after making the cut?

• Circle

• Oval

• Square

• Triangle

A park has a large fish pond and a small fish pond. Each pond is in the shape of a circle.

The radius of the large fish pond is 6 times the radius of the small fish pond.

• 3

• 6

• 12

• 36

What is the horizontal cross section of a cube?

• cube

• square

• rectangle

• trapizoid

What is a horizontal cross section of a pyramid? 

• square

• rectangle

• triangle

• trapezoid

What is the vertical cross section of a cube?

• cube

• square

• rectangle

• trapezoid

What is a vertical cross section of a pyramid? 

• square

• rectangle

• circle

• triangle

A triangle has angles of 119°, 30°, and 30°.

 

Using the given angle measures, how many triangles can be formed (one unique, more than one, or none)?

• one

• more than one

• none

• 100 trianlges

Find the area of a circle with radius 30 cm. Use π = 3.14.

• 2826 cm^2

• 188.4cm^2

• 2827.43cm^2

• 90.14cm^2

What is the volume of a rectangular prism with dimensions of 5 inches, 12 inches, and 9 inches?

• 530

• 530 in

• 530 in^2

• 540 in^3