beemanmason beemanmason

26-02-2021
Mathematics

contestada

Two angles in a triangle have measures of 20' and 50'
What is the measure of the third angle?
A. 30°
B. 110°
C. 70°
D. 120°

Respuesta :

arulmalu arulmalu

01-03-2021

Answer:

The sum of all angles (3 angle)= 180

unknown angle = x

x +20+50 =180

x +70 =180

x = 180-70

x=110

Ans ; the third angle is 110 degree

Step-by-step explanation:

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