the measures of two complementary angles are in the ratio 4:1. what is the measure of the smaller angle?

1 answer:

8 0

Two complementary angles: α,β

Definition of complementary angles:
α+β=90
β=4α
4α+α=90
5α=90 /:5
α=18

Measure of smallest angle is 18 degrees.

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Eddi Din [679]

Triangles ABC and ADE are similar, meaning that
AB/BC=AD/DE
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84/5=6+x
X=10.8
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