Use Pythagoras theorem
Two triangles are similar
(6+3)*12/2 - 6*8 /2 = 30
The answer is -6. Thought there is a chance I am wrong. Need an explanation?
The one you have highlighted is correct
Answer:
x = 53 degree
Step-by-step explanation:
53 degree angle = x angle( alternate exterior angle)
Therfore, x = 53 degree
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