Question

Raghu says, "I have drawn a triangle PQR with ∠P = 50°, ∠Q = 100° and ∠R = 70°." Can he be right?

Answer 1

No he can't be because sum of exterior opposite angles is 180 degree

Angle P + Angle Q + Angle R = 180 degree

50 degree + 100 degree + 70 degree = 220 degree

220 is not equal to 180

Hence Proved...

Hope this helps you :)

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Answer 2

A triangle PQR with ∠P = 50°, ∠Q = 100° and ∠R = 70°." cannot be right.

• We know that all the angles of a triangle should add up to 180 degrees.
• Here the sum is : LP + LQ + LR = 50 + 100 + 70 = 220 degrees.
• Certainly 220 degrees is way more than 180 degrees.
• Hence Raghu won't be able to create a triangle with these measurements of angles.