Question

In the figure the lines AB and PQ.
are interesting at 0’ ROB = 90°.and a:b= 3:2 then find 'c' value
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Answer 1

Answer:In the given figure the lines AB and PQ are intersecting at 'O'. ... at 'O'. angle ROB= 90°, and a:b = 3:2 then find 'C' value . ... angle b +angle Rob +angle c =180 degree.

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Answer 2

Answer:

we know AB is a straight line then the angle on that line will sum up to 180 degree

but angle Rob is 90 degree

so angle a and b will sum up to 90 degree

adding the ratio

3x+2x=90

5x=90

x=18

therefore angle a =18*3=54 degree

and angle b=18*2=36 degree

now we also know that pq is straight line so

angle b +angle Rob +angle c =180 degree

36+90+ angle c =180

therefore angle c= 180-126

angle c = 54 degree