jordon239713 jordon239713

05-12-2019
Mathematics

contestada

What is the value of x?
a. 72°
b. 108°
c. 126°
d. 63°
Right answer will get brainliest

What is the value of x a 72 b 108 c 126 d 63 Right answer will get brainliest class=

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sqdancefan sqdancefan

05-12-2019

Answer:

a. 72°

Step-by-step explanation:

The sum of angles in a triangle is 180°. The two base angles of an isosceles triangle (one with two congruent sides) are congruent, so we have ...

54° + 54° + x° = 180°

x° = 180° - 108°

x° = 72°

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