Question

construct a triangle abc,whose perimeter is 13 cm and whose sides are in the ratio 3:4:5​

Answer 1

Step-by-step explanation:

Naa dekh aasmaan ko itne umeed se

kisi parinde ne hagdiya to sari hasraton  ke Lo*e Lag Jayenge.

Happy Indian Army Day

Answer 2

Step-by-step explanation:

First find the sides of triangle

then

or, 3x+4x+5x=13

or, 12x=13

or, x=13/12

or, x=1.08

then first side 3x

3×1.08=3.24

then second side 4x

4×1.08=4.32

then third side 5x

5×1.08=5.40

to draw a triangle.

Draw AB = 5.40 using ruler and pencil

then take your compass and mark 4.32

take radius A and draw an arc

similarly mark 3.24 in your compass take radius B and draw an arc where the arc are meting draw AC and AB