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nataly862011 [7]
3 years ago
8

Tell whether the angles are complementary or supplementary. Then find the value of x.

Mathematics
2 answers:
solniwko [45]3 years ago
7 0

the angles are complementary because they add up to 90° because of the red square. x=20

Step-by-step explanation:

4x-5+15=90

4x+10=90 subtract 10 from each side

then you get left with 4x=80

divide 4 from each side then you get left with x=20 and to check just substitute  20 where x is so 4(20)-5= 80-5=75 +15=90.

Karo-lina-s [1.5K]3 years ago
4 0
It is complementary and value of x is 20
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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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