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25-09-2019
Mathematics

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FIND THE MEASURE OF ANGLE C FOR #20

FIND THE MEASURE OF ANGLE C FOR 20 class=

Respuesta :

25-09-2019

Answer:

150.25°

Step-by-step explanation:

Since you already know 2 angles of the triangle, and a triangle always has a sum of 180°, you can calculate the third one using this formula

C = 180 - A - B

C = 180 - 20 - 9.75

C = 150.25°

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