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creativ13 [48]
3 years ago
9

Julia lined up the interior angles of the triangle along the line below. What is the answer?

Mathematics
2 answers:
pshichka [43]3 years ago
6 0

30 degrees is your answer.

Kobotan [32]3 years ago
4 0

Answer:

Hence the measure of  A 38\degree

Step-by-step explanation:

we need to find measure of angle A of the given triangle ABC in provided figure

In provided figure

\angle A = ? ,\angle B = 30\degree \ \text{and}\ \angle C = 112\degree

Since, sum of interior angles of triangle is 180\degree

In triangle ABC

\angle A + \angle B + \angle C=180\degree

\angle A + 30\degree+112\degree=180\degree

\angle A + 142\degree=180\degree

Subtract both the sides by 142\degree

\angle A =180\degree -142\degree

\angle A =38\degree

Hence the measure of  A 38\degree

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