out of four angles formed by two intersecting lines ,one is 90° .prove that other three angles will be 90
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the intersection point where two lines intersecting makes angle of 90° will be perpendicular to each other.
linA perpendicular to line B.
as a result if one angle is of 90°.
then other three will also be 90°.
A + B + C + D = 360 °
90° +90 ° + 90° + 90° = 360°
linA perpendicular to line B.
as a result if one angle is of 90°.
then other three will also be 90°.
A + B + C + D = 360 °
90° +90 ° + 90° + 90° = 360°
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