Question

help me with Q.no. 5​

Answer 1

Step-by-step explanation:

Area of triangle = 180⁰

angle(C) + angle(D) + angle(E) = 180

angle(D) = 180 - 80 - 40

angle(D) = 60

Now Draw Line CD with 8.1 cm

draw angle(C) & angle(D) they will intersect and you will get you triangle