ariana8111 ariana8111

06-01-2020
Mathematics

contestada

Two of the angles in a triangle measure 18° and 72°. What is the measure of the third angle?

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Larrysammz Larrysammz

08-01-2020

Answer:

Step-by-step explanation:

the sum of angles in a triangle is 180 degrees

18 + 72 + X = 180

90 + X = 180

X = 180 -90

X = 90

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