Question

an isosceles traingle have semi perimeter is 30m and its unequal side is 28m. find area ​...give the ans step by step​

Answer 1

Answer:

Step-by-step explanation:

SEMI-PERIMETER = 30m

THUS, PERIMETER = 60m

LENGTH OF UNEQUAL SIDE= 28m, thus the length of remaining two sides= 32m

AREA OF TRIANGLE = $\sqrt{30(30-28)(30-16)(30-16)$

                                    = 14 x 2 x $\sqrt{15}$

                                    = 28$\sqrt{15}$ m

Answer 2

Step-by-step explanation:

semi perimeter=30

perimeter=60

unequal side=28

remaining side=60-28

=32

2 equal side =32