Question

Draw a ∆PQR in which ˂P= 120° , PQ=PR=4.5 cm. Measure the other two angles.​

Answer 1

Step-by-step explanation:

sum of all angles =180°

180°-120°=60°

this is an isosceles triangle so <Q and <R are same.

60/2=30° that means <Q=30° <R=30°