Geometric Applications of Equations

The perimeter of the square and the

equilateral triangle shown are the same. Which equation represents the situation?

• 4(2.5x - 3) = 3(2x - 2)

• 2(2.5x - 3) = 3(2x - 2)

• 4(2.5x - 3) = 2(2x - 2)

• 4(2.5x - 3) = 4(2x - 2)

Tags

CCSS.8.EE.C.7B

A square is shown below. If the perimeter of the square is 97 inches, what is the value of x?

• x = 3

• x = 7

• x = 5

• x = 6

Tags

CCSS.4.MD.A.3

The perimeter of the equilateral triangle is 67.5 inches. What is the value of x?

• x = 14

• x = 12

• x = 18

• x = 9

Tags

CCSS.3.MD.D.8

Find the value of x.

• x = 2

• x = 3

• x = 9

• x = 7

Tags

CCSS.7.G.B.5

Lines A and B below are parallel lines cut by transversal, t.

Which of the following

equations could be used to find the value of x?

• 35x – 6 = 180

• 9x + 24 = 180

• 13x – 15 = 22x + 9

• 13x + 9 = 22x – 15

Tags

CCSS.8.G.A.5