Question

The age present age. uch The angles of a triangle are (3x)'. (2x + 20° and (5x 40)°. Find the angles. Also name the type of​

Answer 1

Answer:

36°, 44°, 100° are the angles of the triangle. It is a scalene triangle

Step-by-step explanation:

Angles of a triangle add up to 180°.

3x + 2x + 20 + 5x + 40 = 180°

10x + 60 = 180°

10x = 180° - 60°

10x = 120°

x = (120/10)°

x = 12°

3x = 12 × 3 = 36°

2x + 20 = 12 × 2 + 20 = 24 + 20 = 44°

5x + 40 = 12 × 5 + 40 = 60 + 40 = 100°

Angles = 36°, 44°, 100°.

Types of triangle-

Equilateral - all sides are equal, all angles are 60°

Isosceles - 2 sides are equal, two angles are equal

Scalene - no sides are equal, no angles are equal

Since 36 ≠ 44 ≠ 100,

It is a scalene triangle.

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