App Logo

No.1 PSC Learning App

1M+ Downloads
In a ΔABC, angle bisector of B and C meet at point P such that ∠BPC = 127˚. What is the measure of ∠A?

A72

B74

C76

D78

Answer:

B. 74

Read Explanation:

∠A = 180 - (∠B + ∠C)

= 180 - 2 * (180 - 127)

= 74


Related Questions:

Select the correct option with respect to the following.

Two triangles are similar if:

a) Any two of their sides are equal

b) their corresponding sides are proportional

c) Any two of their angles are equal

d) their corresponding angles are equal

ചിത്രത്തിൽ, ABCD ഒരു സമഭുജ സാമാന്തരികമാണ്. AC = 8 സെ. മീ, BD = 6 സെ. മീ ആയാൽ, ABCD യുടെ പരപ്പളവ് എന്ത് ?

1000112155.jpg
PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such that ∠APB = 128°, then ∠OAB is equal to:
The total surface area of a cylinder of radius 70 m and height 140 m, is:

In the figure <QPS =<SPR. PQ=12 centimeters and PR=16 centimeters. If the area of triangle PQS is 18 square centimeters what will be the area of triangle PQR?

WhatsApp Image 2024-11-30 at 17.44.24.jpeg