Question

Abcd is a rectangle ab=8 cm ad =20 cm.If a, b and c are inradius of incircle of ∆bap, ∆bpc and ∆cpd. Where d is any point on ad such that angle bpc is 90°find a+ b+c

Answer 1

ABCD is a rectangle.

So all angles will be right angles

so,a=90°

b=90°

c=90°

so,a+b+c=90+90+90=270°