emmaraiblanton102 emmaraiblanton102

11-11-2020
Mathematics

contestada

If two angles of a triangle measure 20 and 130 degrees, what is the measure of the third angle?

A.) 40°
B.) 50°
C.) 30°
D.) 60°

Respuesta :

randomuser0w0 randomuser0w0

11-11-2020

Answer:

C

Step-by-step explanation:

A triangle is 180°

130+20=150

180-150= 30°

Answer Link

Hjenna459 Hjenna459

11-11-2020

Answer:

c.) 30 degrees

Step-by-step explanation:

the sum of the angles of a triangle is 180 degrees

so if the third angle was x

then

x=180-(20+130)

x=180-150

x=30 degrees

Answer Link

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