Perimeter of Triangles

Find the perimeter of this triangle.

• 12 in

• 22 in

• 18 in

• 24 in

Tags

CCSS.3.MD.D.8

Find the perimeter of this triangle.

• 26 cm

• 30 cm

• 21 cm

• 16 cm

Tags

CCSS.3.MD.D.8

Find the perimeter of this triangle.

• 12 in

• 22 in

• 18 in

• 24 in

Tags

CCSS.3.MD.D.8

Find the perimeter of this triangle.

• 20 cm

• 35 cm

• 40 cm

• 12.5 cm

Tags

CCSS.3.MD.D.8

1. What is the perimeter of the triangle having sides 8cm, 9cm and 10cm?

Mathematical Equivalence

ON

Tags

CCSS.3.MD.D.8

The perimeter of the equilateral triangle is 15 inches. Select ALL equations that could be used.

(a)   ​ ​ (b)  

• 3x = 15

• x + x + x = 15

• x =153

• x = 15 – 3

Tags

CCSS.3.MD.D.8

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?​ (a)   What is the perimeter of the triangle?​ (b)   units.

• 51

• 3

• 21

• 82

• 5

Tags

CCSS.3.MD.D.8

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?​ What is the perimeter of the triangle?​ units.

• 51

• 3

• 21

• 82

• 5

Tags

CCSS.3.MD.D.8

The perimeter of the isosceles triangle is 365 millimeters. What is the length of the missing side?

c

202 mm

41 mm

163

38 mm

39 mm

Tags

CCSS.3.MD.D.8

Jose lives next to a triangular park. He likes to take his dog for a walk around the park on the weekend. If he makes 3 trips around the park how far does he walk?

• 17 units

• 25 units

• 51 units

• 102 units

Tags

CCSS.3.MD.D.8