Answer:
Since the two base angles are congruent (same measure), they are each 70°. If we are given a base angle of say 45°, we know the base angles are congruent (same measure) and the interior angles of any triangle always add to 180°.
degrees
Step-by-step explanation:
The picture of the question in the attached figure
we know that
In the right triangle EFG
----> by TOA (opposite side divided by the adjacent side)
substitute
62.4