Question

perimeter and area of all types of triangles ​

Answer 1

PERIMETER AND AREAS.....

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Answer 2

Answer:

Perimeter = Sum of all sides

Area :

• equilateral ∆ = √3/4 × side^2
• Isosceles ∆ = 1/2 × base × height
• Scaleme ∆ = √s(s-a)(s-b)(s-c)

where, a,b and c are sides of scalene ∆ .

and, s = ( a + b + c )/2