In a given figure lines XY and MN intersects at O. If angle POY=90 and a:b=2:3, find C
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Let a=2x
B=3x
2x+3x+90=180(linear pair)
5x. =90
X. =90/5=18
A=2×18=36
B=3×18=54
54+c=180(linear pair)
C. =180-54=126
Hope this helps you
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B=3x
2x+3x+90=180(linear pair)
5x. =90
X. =90/5=18
A=2×18=36
B=3×18=54
54+c=180(linear pair)
C. =180-54=126
Hope this helps you
Mark my answer as brainliest
Answered by
227
➢ Given :
- Lines XY and MN intersect at O.
- POY = 90
- a : b = 2 : 3
➢ Solution :
✬ POY = 90
✬ a : b = 2 : 3
- XOY = 180(Straight line)
- XOP + POY = 180(Supplementary angle)
- XOY + 90= 180(Given)
- XOY = 180 - 90
- XOP = 90
- XOM + MOP = XOP (Complementary angle)
- 3x + 2x = 90
- 5x = 90
- x = = 18
✬ MOP = 2x = 2 × 18 = 30
✬ XOM = 3x = 3 × 18 = 54
- MON = 180 (Straight angle)
- MOX + XON = 180 (Supplementary angle)
- 54+ XON = 180
- XON = 180 - 54
- XON = 126
➢
Angle which measures 180
The 2 angles are Supplementary, If there sum are 180
The 2 angles are complementary, If there sum are 90
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