Question

How to construction 90 angle
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Answer 1

Step-by-step explanation:

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Answer 2

1. draw ray OA
2. draw ray OA with O as centre and convient radius draw an arc cutting OA at P
3. draw ray OA with O as centre and convient radius draw an arc cutting OA at Pwith P as centre and same radius as above dra an arc cutting the above arc at Q
4. draw ray OA with O as centre and convient radius draw an arc cutting OA at Pwith P as centre and same radius as above dra an arc cutting the above arc at Qwith Q as a centre in the same radius draw another arc cutting the arc drawn in step 2 at the point R
5. draw ray OA with O as centre and convient radius draw an arc cutting OA at Pwith P as centre and same radius as above dra an arc cutting the above arc at Qwith Q as a centre in the same radius draw another arc cutting the arc drawn in step 2 at the point Rwith Q and R as centre and the same radius draw two arc intersecting each other at M.
6. draw ray OA with O as centre and convient radius draw an arc cutting OA at Pwith P as centre and same radius as above dra an arc cutting the above arc at Qwith Q as a centre in the same radius draw another arc cutting the arc drawn in step 2 at the point Rwith Q and R as centre and the same radius draw two arc intersecting each other at M.join OM and produce it to a point B. Then angle AOB is required angle of measure 90°

Step-by-step explanation:

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