princessjassy156 princessjassy156

07-05-2020
Mathematics

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Fine the measure of a.
A.37
B.39
C.60
D.62

Fine the measure of a A37 B39 C60 D62 class=

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igoroleshko156 igoroleshko156

07-05-2020

Step-by-step explanation:

Step 1: Find the angle a

All triangles add up to 180 degrees

81 + 62 + a = 180

143 + a = 180

a = 180 - 143

a = 37

Answer: Option A, 37

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ItsDodo ItsDodo

07-05-2020

the sum of angles of triangle is 180 so;
a = 180 - ( 62 + 81 ) = 37°

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