CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Find the area of a triangle two sides of which are 18 cm and 10 cm and the perimeter is 42 cm.

Open in App
Solution

Two sides length are given, we need to figure out the length of this side.

Let x be length of third side

Perimeter =42 cm

18+10+x=42

x=4228=14 cm

2s=42

s=21 cm

a=18,b=10,c=14

A=s(sa)(sb)(sc)

21(2118)(2110)(2114)=21×3×11×7

A=2111cm2

flag
Suggest Corrections
thumbs-up
11
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Area of Any Polygon - by Heron's Formula
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon