No products in the cart.

Find area of equilateral triangle if …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Find area of equilateral triangle if it's perimeter is 9cm
  • 3 answers

A M 11 months, 3 weeks ago

6.75 is the correct answer

Md Anas Ibrahim 11 months, 4 weeks ago

USE FORMULA 3/4a2² Where a= sides of triangle

Mrunal Pawar 11 months, 4 weeks ago

P=9 so S=4.5 and as it is equilateral triangle all sides are equal i.e 3cm. By herons formula of√S(s-a)(s-b)(s-c) √4.5(4.5-3)(4.5-3)(4.5-3) = √4.5*1.5*1.5*1.5= √15.1875=3.89 approx
http://mycbseguide.com/examin8/

Related Questions

What is 38747484±393884747
  • 0 answers
Ndovdgdhveieb
  • 0 answers
2x+5y
  • 0 answers
X³-12x²+39x-28
  • 0 answers
Ch-1 introduction
  • 0 answers
3√2×4√2×12√32
  • 0 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App