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notka56 [123]
3 years ago
9

PLZZZZZZ NEED HELP!!!!!!!!

Mathematics
1 answer:
kogti [31]3 years ago
3 0

ANSWER

5.5

EXPLANATION

We can use the cosine rule to find the missing side length.

The cosine rule is given as;

{a}^{2}  =  {b}^{2}  +  {c}^{2}  - 2bc \cos( A)

Let the missing side be "a".

Then,

{a}^{2}  =  {9}^{2}  +  {6}^{2}  - 2 \times 9 \times 6 \cos(37 \degree)

{a}^{2}  =  81+  36- 86.253

{a}^{2}  =  30.74736

a =  \sqrt{30.747}

a \approx5.5

Therefore the missing side length is approximately 5.5 units to the nearest tenth.

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