The sum of the measures of the angles of a triangle is 180 degrees. the second angle is twice the measure of the first angle. th
e third angle is three times the measure of the second angle. find the measure of each angle
1 answer:
∠1 = x
∠2 = 2x
∠3 = 3 * 2x = 6x
x + 2x + 6x = 180
9x = 180
x = 180/9
x = 20° ← <span>the first angle
</span>the second angle = 2 * 20 = 40°
<span>the third angle = 3 * 40 = 120</span>°
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