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Katena32 [7]
3 years ago
9

An angle measures 40° less than the measure of its supplementary angle. What is the measure of each angle? please hlpppppp

Mathematics
1 answer:
nordsb [41]3 years ago
8 0

Answer:

<h2>110 and 70</h2>

Step-by-step explanation:

Two supplementary angles add up to 180°

Suppose x + y = 180 and y = x - 40

first we substitute y by x - 40 in the equation x + y = 180 ,we get:

x + (x - 40) = 180

then

2x - 40 = 180

then

2x = 180 + 40

   = 220

then

x = 220/2

  = 110

therefore

y = 110 - 40

  = 70

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