Question

Please help 11 points up for grabs need full working out

Answer 1

The answer is 29.476, 29.4 degrees is your answer

Answer 2

27.6

Explanation:

6.5²-6²=a²

6.25=a²

a=2.5

23-9-2.5=11.5

Side C=12.971121771072848

Angle CDA=27.552811576717797

=27.6