Question

Can someone help please

Answer 1

1. 672 yds, 2. 117°, 3. 4.05 km, 4. 69.3 miles 5. 23 ft

Explanation:

See attachment for 1 through 4

5. a²=b²+c²-2bc CosA

a²=(30)²+(20)²-2(20)(30) Cos50°

a=23 ft