Question

In a triangle, PQR, angle P = X degrees and angle Q = 2x degrees. What is the size of angle r
(A) 60 Degrees
(b) 45 degrees
(c)180/3x degrees
(d)180 degrees - 3x degrees
Help plss

Answer 1

Answer:

d part is correct answer

Answer 2

Answer:

Final Answer.

Step-by-step explanation:

Given,

Angle P = x°, and

Angle Q = 2x°.

To Find,

Angle r:

As we know that,

Sum of all three angles is 180°.

So,

∠P + ∠Q + ∠r = 180°.

⇒ x + 2x + ∠r = 180°

⇒ ∠r + 3x = 180°

Therefore, ∠r = (180° - 3x)°.

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