Question

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

Answer 1

here is ur answer
....
two sides are = 18cm nd 10cm
perimeter = 42 cm
here 1st we hve to find the 3rd side of triangle = 18 + 10 = 28 .
nd third side is 42 - 28 = 14
now we hve to find area
formula is 1/2 × base × height
1/2 × 18 × 10 = 90
so area of triangle is 90cm^2

Answer 2

Answer:

Refer the attached file