In the given figure lines `bar(XY)` and `bar(MN)` intersect at O. If `∠POY = 90^(@)` and a: b = 2 : 3, find c.

In the given figure, lines XY and MN intersect at O. If anglePOY=90^(@) and a:b=2:3 , find c.

In the given figure lines bar(AB) and bar(CD ) intersect at O. If angleAOC+ angleBOE= 70^(@) and angleBOD = 40^(@) , find angleBOE and reflex angleCOE .

In the given figure three lines bar(AB) , bar(CD) and bar(EF) intersecting at O. Find the values of x, y and z it is being given that x : y : z = 2 : 3 : 5

In the given figure, lines AB and CD intersect at O. If angleAOC+angleBOE=70^(@) and angleBOD=40^(@), find angleBOE and reflex angleCOE

In the given figure angleA= 40^(@) . If bar(BO) and bar(CO) are the bisectors of angleB and angleC respectively. Find the measure of angleBOC .

In the given figure bar(PQ) is a line. Ray bar(OR) is perpendicular to line bar(PQ) . bar(OS) is another ray lying between rays bar(OP) and bar(OR) . Prove that angleROS = (1)/(2) angleQOS − anglePOS

In figure, bar(AB) is a diameter of the circle, bar(CD) is a chord equal to the radius of the circle. bar(AC) and bar(BD) when extended intersect at a point E. Prove that angle AEB = 6^@ .

In the given figure, XM and YN are both lt perpendicular to line segment XY and XM = YN. 4 Prove that P is the midpoint of XY as well as MN

If the unit bar(a),bar(b) and bar( c ) are coplanar then …………..

Find the distance between the planes bar(r) * ( 2 bar(i) - bar(j) + 3 bar(k)) = 4 and bar(r) * ( 6 bar(i) - 3 bar(j) + 9 bar(k)) + 13 = 0