Question

Use Heron's formula and find the area of
the following figure
7 units
8units
6units
5 units
/4 units
5units
​

Answer 1

Answer:

let first triangle be I

semiperimeter =4+8+6/2=9

area =√9(9-4)*(9-8)*(9-6)

area=√135

second triangle be II

SEMIPERIMETER=9

AREA=√9(9-6)(9-5)(9-7)

AREA=√216=16

AREA OF THIRD TRIANGLE SEMIPERIMETER=7

AREA=√7(7-5)(7-5)(7-4)

2√21

Answer 2

Answer:

unit number 5 question number 6