Special Right Triangles: Basic

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Equiangular
• Equilateral

Tags

CCSS.4.G.A.2

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse

Tags

CCSS.4.G.A.2

Find x.

• 90°
• 45°
• 30°
• 60°

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which special right triangle has a hypotenuse that is exactly twice as long as the shortest leg?

• the 45 - 45 - 90

• the 30 - 60 - 90

• an isosceles right triangle

• a scalene right triangle

Tags

CCSS.HSF.TF.A.3

Which special right triangle is isosceles?

• the 30 - 60 - 90

• the 45 - 45 - 90

• the equilateral triangle

• none of these is isosceles

Find the value of the missing angle:

• 45

• 30

• 120

• not possible

Find the measure (degrees) of angle B:

• 150

• 60

• 45

• not possible

Find the measure of side x:

Find the measure of side h:

Find the measure of side y:

• 1

• 2

• $\sqrt{3}$

• $\sqrt{2}$