3. Two angles are complementary. The sum of the measure of the first angle and
half the second angle is 55. Find the measures of the angles. (Complementary
angles are two angles whose sum of the measures is 9o°.)
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3. Two angles are complementary. The sum of the measure of the first angle and
half the second angle is 55. Find the measures of the angles. (Complementary
angles are two angles whose sum of the measures is 9o°.)
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Answer:
20°
20°70°
Step-by-step explanation:
x= n
y=x/2
x+(y)=55
x+2y=90
x= 55-y
Insert
x+2y= 90
(55-y)+2y =90
55-y=90
y= 90-55
y=35°
x+y=55
x+35=55
x=55-35
x=20°
(35° x 2) = 70°
(20° x 1) = 20°
= 90°