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Triangle ABC <-->triangle PQR for the correspondence ABC <--->PQR.2m

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Triangle ABC <-->triangle PQR for the correspondence ABC <--->PQR. 2m<P=3m<Q &
m<C=100.find m<B. Question is not coming full
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Triangle ABC <-->triangle PQR for the correspondence ABC <--->PQR. 2m<P=3m<Q & m<C=100.find m<B


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M < P  = measure of the angle P = angle P

Given    2 * angle P = 3 * angle Q,  and  angle C = 100⁰..    To find the measure of  angle B

The two triangles ABC and PQR  are similar or corresponding..   So 
          angle A = angle P
          angle B = angle Q
          angle C = angle R
     angle A+ Angle B + angle C = angle P + angle Q + angle R = 180°
angle R = angle C = 100°

angle P + angle Q = 180 - angle C = 80°
angle P +  2/3  *  angle P = 80°
     => angle P =  48°
     => angle Q =  32°          => angle B = angle Q = 32°

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