Answer:
1) mEF is 38°
2) mDE is 52°
3) c. 6.28
4) b. 20.94
Explanation:
1) mEF is corresponding to mHG
2) mDE + mEF = 90, so 90-38=52
3) L=r·∅ so L=3·120 (in radians)
4) Couldn't see Q, but based on the right angle we can assume the inside angle for mQPT is 119°