Question

answer the following question​

Answer 1

Step-by-step explanation:

a=14

b= 10

c = 6

$s = \frac{a + b + c}{2} \\ = \frac{14 + 10 + 6}{2} \\ = \frac{30}{2} \\ = 15$

area of triangle ABC

$= \sqrt{s(s - a)(s - b)(s - c)} \\ = \sqrt{15(15 - 14)(15 -10)(15 - 6)} \\ = \sqrt{15 \times 1 \times 5 \times 9} \\ = \sqrt{5 \times 3 \times 5 \times 3 \times 3} \\ = 5 \times 3 \times \sqrt{3} \\ = 15 \sqrt{3} \\ = 15 \times 1.732 \\ = 25.98$

option 3 is correct