Question

A) Construct a triangle given its perimeter 120mm long and sides are in the ratio of 3:2:4.

(B) State the length of each sides of the triangle constructed.
(C) Name the triangles according to its angle.

Answer 1

Explanation:

The lengths of the sides are 3x, 2x, 4x.

perimeter = 3x + 2x + 4x = 120 mm

9x = 120 mm

x = 40/3 = 13⅓ mm

Sides: 40 mm, 26⅔ mm, 53⅓ mm

Obtuse triangle.