Question

In ΔPQR it is given ∠QPS = 55°, ∠PQR = 60°
and ∠PRQ = 40°.
i) Write the properties used to calculate the values of
a, b and c given in the figure.
ii) Find the value of a, b and c given in the figure by
using properties of the triangle.
​

Answer 1

Step-by-step explanation:

a - angle sum property

b - straight angle property

c - angle sum property

a =65⁰

b = 115⁰

c = 25⁰