Question

In angle ABC, angle A: angle B: angle C = 2. 3: 5, then angle C is
A) 126°
B, 900°
C) 100°
D) 54°​

Answer 1

Answer:

2x+3x+5x=180°

10x=180°

x=180/10

x=18°

angle C=5x=5×18=90°

Answer 2

Answer:

the correct option is (B) = 90 degrees.

Step-by-step explanation:

angle A : angle B : angle C = 2:3:5

which =

angle A = 2x

angle B = 3x

angle C = 5x

As angle A + angle B + angle C = 180 degrees [angle-sum property] the sum of the interior angles of a triangle is 180°.

2x+3x+5x = 180 degrees

10x = 180 degrees

x = 180/10

x = 18 degrees

angle C = 5x = 5*18 = 90 degrees

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