Question

80% of an angle is the supplement of 140°. Find the angle
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Answer 1

Heyy.

If 80%=140

Then 20% = 180' - 80%

= 180 - 140

=40'

( Used ' as degree.)

☮

Answer 2

Answer:

Let that angle be x

supplement of 140 = 180 - 140

= 40

so by the condition given in your question we get equation

80 % × x = 40

80/100 × x = 40

x = 40 × 100 /80

x = 50

so the angle is of measure 50

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