Question

STEP-BY-STEP EXPLANATION REQUIRED!​

Answer 1

Answer:

By angle sum prpt of a triangle

PQR + QPR + PRQ = 180°

so, 34° + 90° = 124°

180° - 124° = R

180° - 124° = 56°

To find the exterior angle R we subtract 56 from 180 since they are supplementary angles

so, 180 - 56 = 124°

therefore, the exterior angle R or angle PRS= 124°

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another way to do this question is to use the exterior angle prpt of a triangle in which the ext angle is equal to the sum of its two opposite int angles. in this case angle PRS = P + Q

= 34 + 90 = 124°