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07-07-2021
Mathematics

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Find the measure of the missing angle using the exterior angle sum theorm

Find the measure of the missing angle using the exterior angle sum theorm class=

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asmaNasr asmaNasr

11-07-2021

Step-by-step explanation:

the sum of angels of a triangle is 180°

130+ ? + (180-160) = 180

130+ ? +20= 180

150+ ? = 180

? = 30°

the missing angle is 30°

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