What is -12 + (-4) + (-17) ??
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Answer:
your answers are correct
Step-by-step explanation:
since all the interior angles of a triangle add up to 180 this problem is correct.
two congruent legs of a triangle means the triangle is isosceles. An isosceles triangle has base angles that measure the same, therefore a is 52.
To find b, do 180 minus the two base angles, 52, to find the solution.