Basics of Triangles

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Tags

CCSS.8.G.A.5

Find the perimeter of this triangle.

• 18
• 36
• 22
• 98

Tags

CCSS.3.MD.D.8

Find the perimeter of this triangle.

• 23
• 39
• 45
• 37

Tags

CCSS.3.MD.D.8

Area of triangle?

• 17 units²
• 20 units²
• 10 units²
• 16 units²

Tags

CCSS.6.G.A.1

Find the area:

• 40 yd
• 40 yd²
• 80 yd²
• 18 yd²

Tags

CCSS.6.G.A.1

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Tags

CCSS.4.G.A.2

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Tags

CCSS.4.G.A.2

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

Tags

CCSS.4.G.A.2

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5