Winter holiday homework 7#
Level
pending
Please find the value of A
Given:
∠F = 85 °
∠D = 30°
l ||m
Hint:
You may not need all of the given information
The answer is 65.
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1 solution
First of all, ∠FDA = ∠D = 30 degrees, and ∠DFA = ∠F = 85 degrees (because both are the vertical angles of the other). The sum of the interior angles of a triangle equals to 180 degrees. So ∠A equals to 180 - 85 - 30 which is 65, therefore the value of A is 65 :)