75%. Just divide 15/20 and you will get .75 then multiply by 100 to turn the decimal to a percent
Answer:
The measure of the third angle is 35°.
Step-by-step explanation:
The sum of the three angles of a triangle is always 180°.
Let the measure of the third angle be x.
∴ 61° + 84° + x = 180°
145 + x =180°
x = 180 - 145
x = 35°
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The answer is 24 root 3 or 41.56921938.
