Find the measure of angle A.
66°
x +49
x+83
2 answers:
Step-by-step explanation:
Since , internal sum of angle of triangle is 180°
So,
66 + x +49 + x+83 = 180
or, 198 + 2x = 180
or, 2x = 180 -198
or, 2x = -18
hence, x = - 9
Now angle A = x + 49
= (-9) + 49
= 40
<u>Hence </u> <u>measure</u> <u> </u> <u>of </u> <u>angle </u> <u>A </u> <u>is </u> <u>4</u> <u>0</u> <u>°</u> <u>.</u>
Answer:
40
Step-by-step explanation:
From triangle law ,
66 + x +49 + x+83 = 180
or, 198 + 2x = 180
or, 2x = 180 -198
or, 2x = -18
hence, x = - 9
Now angle A = x + 49
= (-9) + 49
= 40
Hence, answer is 40.
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