One side and area of a triangle is 8cm and 48 cm2 . Then its height is ______cm
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Answered by
1
Answer:B
16
3
cm
2
,4
3
cm
According to the Heron's formula, Area (A) of the triangle having sides a,b,c units is
A=
s(s−a)(s−b)(s−c)
where
s=
2
a+b+c
For the given triangle,
a=b=c=8cm
s=
2
8+8+8
=12
A=
12(12−8)(12−8)(12−8)
A=
3×4×4
3
=4×4
3
=16
3
Area of the triangle =
2
1
×base×altitude=16
3
2
1
×8× altitude=16
3
Altitude =
4
16
3
=4
3
Step-by-step explanation:
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