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Sagot :
the answer is 20°
if all the angles in a triangle add up to 180°
then all you have to do is subtract the outer 74° from 180° to find the inner angle and then add your solution to 54° and subtract from 180 again
if all the angles in a triangle add up to 180°
then all you have to do is subtract the outer 74° from 180° to find the inner angle and then add your solution to 54° and subtract from 180 again
Answer:
X = 20
Step-by-step explanation:
180 - 74 = 106 ( angles on a straight line add up to 180)
180 - (106 +54)
X = 180 - 160
X = 20 ( angles in a triangle add up to 180)
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