the sides of a triangle field are 165m. 154m and 143m. find area of the field
Answers
Answered by
4
: s = 2
a + b + c
=
( ) m 231m
2
165 154 143 = + +
Mathematics Secondary Course 463
Notes
Perimeters and Areas of Plane Figures MODULE - 4
Mensuration
So, area of the field = s( )( )( ) s −a s −b s −c
= 231×( )( )( ) 231−165 231−154 231−143 m2
= 231×66×77×88 m2
= 11×3×7×11× 2×3×11×7×11× 2× 2× 2 m2
= 11 × 11 × 3 × 7 × 2 × 2 m2
= 10164 m2
Similar questions