Question

In
Triangle PQR P = 40° Q =40°
then find R​

Answer 1

Step-by-step explanation:

element.

How does the atomic radius change as you go from left to right in a period, and top to

bottom in a group

Answer 2

Step-by-step explanation:

Given that PQ=PR then ∠R=∠Q=x

∠P+∠Q+∠R=180

∘

x+x+40

∘

=180

∘

x=70

∘

.

∠R=∠Q=70

∘

.

mark as brainalist answer please