Verify area of triangle is (i) `1/2 bc sin A` (ii) Herons Formula

Verify area of triangle is (i) abc/4R (ii) 2R^(^^)2 sinA sin B sin C

Area of triangle (base-altitude formula & herons formula)

The perimeter of an equilateral triangle is 54 cm. Find its area using Heron's formula.

The perimeter of an isosceles triangle is 30cm and each of the equal sides measures 12cm. Find the area of the triangle by using Heron's formula.

Perimeter|Area |Area Of Triangle|Area Of Triangle - By Heron's Formula|Practice Problem|NCERT Example|OMR

Find the area of the triangle formed by the points by using Heron's for -mula . ( 2 , 3) , ( -1 , 3) and ( 2 , - 1)

Find the area of the triangle formed by the points by using Heron's for -mula . ( 1 , 1) , ( 1 , 4) and ( 5 , 1)

. Find the height and area of an equilateral triangle whose side is a cm.(Use Heron'sformula)

If perimeter of a triangle is x cm and its sides are p,q and r cm. what will be the area of triangle ? Use the heron's formula.

A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’. Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal board?