Question

3) Observe the figure and write the
name of hypotenuse and right
angle.
B
C С
2​

Answer 1

Answer:

In the given figure, ∠∠ACD is an exterior angle of Δ∆ABC. ∠∠B = 40°, ∠∠A = 70°.



Find the measure of ∠∠ACD.

 

ANSWER:

In Δ∆ABC,

∠ACD = ∠A + ∠B   (Exterior angle property)

= 70∘ + 40∘          

= 110∘

Hence, the measure of  ∠∠ACD is 110∘.