3 years ago

Please help 11 points up for grabs need full working out

Mathematics

2 answers:

RUDIKE [14]3 years ago

7 0

The answer is 29.476, 29.4 degrees is your answer

elena-14-01-66 [18.8K]3 years ago

3 0

Answer:

27.6

Step-by-step 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

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