Question

The sides of a triangle are
20cm,59cm,50cm.find its area.​

Answer 1

Answer:

$by \: using \: heron \: formula \\ area \: = \sqrt{s(s - a)(s - b)(s - c)} \\ where \: s = \frac{a + b + c}{2} \\ a \: b \: c \: are \: side \: .$

Step-by-step explanation:

$a = 20 \\ b = 59 \\ c = 50 \\ s = \frac{20 + 59 + 50}{2} = \frac{129}{2}$