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(15) In a “PQR, if angle P=30°, angle Q=50°. Find angle R.
(16) Find the measure of an exterior angle if the two interior ang

By Katherine

(15) In a “PQR, if angle P=30°, angle Q=50°. Find angle R.
(16) Find the measure of an exterior angle if the two interior angles of an exterior angle of a
riangle are 40° and 55°
noint​

About the author
Katherine

The value of 5 + (- 1) does not lie between

(a) 0 and -10 (b) 0 and 10 (c) – 4 and -15

commerce mein maths ka use hota hai ki nahin aur maths ka use commerce mein kaun se kaun se subject mein hota hai​

1 thought on “(15) In a “PQR, if angle P=30°, angle Q=50°. Find angle R.<br />(16) Find the measure of an exterior angle if the two interior ang”

  1. Answer:

    15) Sum of all angles of a triangle = 180

    angle P + angle Q + angle R = 180

    30+50+angle R= 180

    angle R = 180-80=100°

    16) Exterior angle = sum of two opposite interior angles

    = 40+55=95

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