Question

Two supplementary differ by 18 degree find the measure of each angle

Answer 1

let the first angle be x°
and the second angle be (x+18)°
according to definition of supplementary angle,
x + x+ 18° = 180°
2x = 180°-18°
2x = 162°
x= 162°/2
x= 81°
So , first angle is 81°
and second angle is x+18 = 81+18 = 99°





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Answer 2

Answer:

x+x+18= 180⁰

2x+ 18⁰= 180⁰

2x = 162⁰

x = 162⁰/2

x = 81⁰

x+18⁰= 99⁰

Step-by-step explanation:

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