Fl Geometry

• 77 = 5x + 18

• 77 + (5x + 18) = 180

• 77 + (5x + 18) = 90

• 77 + (5x + 18) = 360

The angle measures of a triangle are shown in the diagram.

What is the value of x?

Mathematical Equivalence

ON

The perimeter of a rectangle is 32 inches.

-The rectangle has a width of 4 inches

-The rectangle has a length of 2.5x inches

Which equation can be used to find the value of x?

• 4 + 2.5x = 32

• 8 + 5x = 32

• 4(2.5x) = 32

• 8(5x) = 32

Select all the rectangles.

• Diagram 1

• Diagram 2

• Diagram 3

• Diagram 4

What is the volume of this object?

A triangle has side lengths of 7 inches, 7 inches, and 7 inches. What kind of triangle is it?

• equilateral

• isosceles but not equilateral

• scalene

Each side of a cube is 4 meters long. What is the volume of the cube?

• 64

• 12 meters^3

• 64 meters ^3

• 12

Is this shape a regular polygon?

• yes

• no

Is this shape a regular polygon?

• Yes

• No

Which shape stands out? Why?