Question

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Answer 1

61

Explanation:

a triangles angles equal 180 so 180-10-19-90 = 61

Answer 2

-9

Explanation:

Since the opposite angles of both sides are congruent we know that the sides must be congruent also. Therefore, to solve for x we can set them equal to each other.

So the equation will be x+19=10, to solve we must isolate the variable.

First, subtract 19 from both sides

x+19-19=10-19

Then, simplify

x=-9