Each letter represents a question answer
1 answer:
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Answer:
Step-by-step explanation:
Given
Required
Determine the measure of each angle
The angles in a triangle sum up t 180. i.e.
Since , then
can then be rewritten as:
Substitute values for B and C
Open Bracket
Collect Like Terms
Divide both sides by 23
To get the measure of each angle, substitute 11 for x in the expressions of B, C and D