Question

what is fourmala of perimeter of traingle​

Answer 1

Answer:

PERIMETER of triangle is a+b+c

Step-by-step explanation:

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Answer 2

Answer :-

• Formula of perimeter of triangle = Sum of all the sides.

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Know more :-

Perimeter :-

• The length of the boundary is known as perimeter.
• Its unit is cm, m.

Area :-

• It is the measure of the surface enclosed by its boundary.
• Its unit is $m^2,~cm^2.$

❒ Area of triangle =

• $\sf{\dfrac{1}{2} \times base \times height}$

❒ Heron's formula =

• $\sf{\sqrt{s(s-a)(s-b)(s-c)}}$

❒ Formula to find the area of equilateral triangle =

• $\sf{ \dfrac{ \sqrt{3} }{4} } \times {a}^{2}$

❒ Formula to find the area of isosceles triangle =

• $\sf{\dfrac{1}{4} \times b \sqrt{4 {a}^{2} - {b}^{2} } }$