Finding Measures?

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1 Answer
Feb 19, 2018

C) #angle C = 20^@#

Explanation:

Let #angle C = x#

According to angle sum property, sum of all interior angles of a triangle = #180 ^@#

#therefore x +73^@ + 87^@ = 180^@#

#=> x = 180^@ - 73^@ - 87^@#

#=> x = 20^@#

#therefore angle C = 20^@#