3 years ago

PLEASE HELP

2 answers:

8 0

You can solve for sides of a triangle using the following equation.

A = arccos (b^2 + c^2 - a^2/2bc)

And likewise for other variables by moving the letters.

Ultimately, in this problem you get the following angle measures:

15.87
23.97
140.16

mezya [45]3 years ago

8 0

Answer:

1. A

2. D

3. A, E, F

4. C

Step-by-step explanation:

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