in the given figure if L||M and angle a ratio Angle b equals to 2:3 find the value of y.....
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★ Given...✒
In the given figure if L||M and angle a ratio Angle b equals to 2:3 find the value of y.
★ Solution...✒
let ∠a=2x and ∠b=3x
∠a+∠b=180°
(adjacent angles on straight line are supplementary)
➞ 2x+3x=180°
➞ 5x=180°
➞ x = 180/5
➞ 36°
Now, ∠b = 3x = 3 × 36°
➞ 108°
➞∠c=108°
∴∠y=∠c (corresponding angles)
➞ y° =108°
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