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How do you solve this step by step?

How do you solve this step by step?-example-1

2 Answers

6 votes

Answer:

since the triangles are congruent, and you're given the measures of
\angle I \text{and} \angle P which are "corresponding part of the congruent triangles" so they must be equal

hence,


m\angle I = m\angle P \\ \implies 3x+4=72-x \\ \implies 4x=68 \\ \implies x=17°

User Jim Ierley
by
8.5k points
4 votes

ΔIJK ≈ ΔPQR => ∡I = ∡P =>

=> 3X + 4 = 72 - X

3X + X = 72 - 4

4X = 68

X = 68 : 4

X = 17

User Asplund
by
8.2k points

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