Question

The area of a triangle with sides 11cm, 12cm and 13cm is *
6√105cm²
12√105cm²
60√35cm²
6√35cm²

Answer 1

Step-by-step explanation:

Sides of triangle are 11,12,13

Area of triangle =

s(s−a)(s−b)(s−c)

s=

2

a+b+c

s=

2

11+12+13

s=18

Area of triangle =

18(7)(6)(5)

Area of triangle =

18(7)(6)(5)

=61.5

Area of triangle =

2

1

(base)(altitude)

61.5 =

2

1

×12×(altitude)

Altitude = 10.25

Answer 2

Step-by-step explanation:

10.25 is your answer......................