Question

Construct a triangleDEF in which angleE=50deg, angleF=40deg, and DE+EF+FD=17cm

Answer 1

1)draw a line pq=17cm

2)at p make an angle 50deg ang extend it

3)at q make an angle 40deg extend it

4)draw the bisectors of p and q and extend it to intersect at D

5)draw the perpendicular bisector of DP and extend to intersect pq name the intersection as E

6)draw the perpendicular bisector of DQ and extend to intersect pq name the inter section as F

7)join DEF

8)hence DEF is the required triangla