Find the area of equilateral triangle whose perimeter is 18 cm and altitude measure 4 cm
Answers
Answered by
3
all sides are equal in an equilateral triangle.
3a = 18
a = 6
area of triangle is =
\/3 a^2/4
\/3* 6^2/4
\/3* 36/4
\/3*9
1.73*9
=15.57
3a = 18
a = 6
area of triangle is =
\/3 a^2/4
\/3* 6^2/4
\/3* 36/4
\/3*9
1.73*9
=15.57
mohit7983:
Area of eq triangle is underroot 3/4a^2 hota h
h is already given
h = 4
but brother vo formulae right angle triangle is hota h
ok
but then what about h
why is it given in the question
I am also thinking about it
Answered by
0
a+a+a=18
3a=18
a=6
Area of eq triangle
underroot 3/4×a^2
1.73/4×6^2
1.73/4 ×36
15.58 answer
3a=18
a=6
Area of eq triangle
underroot 3/4×a^2
1.73/4×6^2
1.73/4 ×36
15.58 answer
Similar questions