Question

4 Find the area of the triangle whose sides are
(1) 26 cm, 28 cm, 30 cm​

Answer 1

Answer:

150.784 cm2

Step-by-step explanation:

ar ABC= 1/2x28x √116

=14x 10.77

Answer 2

Answer:

336 cm²

Step-by-step explanation:

By using Heron's Formula

perimeter of the triangle÷2

(30+26+28)÷2 = 84/2 = 42

Now--

√42(42-30)(42-28)(42-26)

√42×12×14×16

= 336 cm²