AB=20cm,BC=40cm , AREA OF TRAINGLE ABC=360 square cm,AC=?
Answers
Answered by
1
Step-by-step explanation:
In △ABC, from the above figure
tan60
∘
=
AB
BC
=
3
3
=
20
BC
∴ BC=20
3
cm
cos60
∘
=
AC
AB
=
2
1
2
1
=
AC
20
∴ AC=40 cm
In a rectangle, the two diagonals are equal.
∴ AC=BD=40 cm
solution
Similar questions