Question

the area of a triangle of base 35 cm is 420 cm2 find it altitude

Answer 1

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Base = 35 cm
Area = 420 sq cm
We know the formula
Area of the triangle =
$area = \frac{1}{2} \times base \times altitude \\altitude \: = \frac{2 \times 420}{35} \\ altitude = 24 \: cm$



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Answer 2

GIVEN:-

b=12cm

area=${48cm^2}$

TO FIND:-

h=?

solution:-

WE KNOW THE AREA OF TRIANGLE AS

$= > \frac{1}{2} \times b \times h$

now, put the given values.....

$\frac{1}{2} \times 12 \times h = {48cm}^{2}$

$= > \frac{1}{ \cancel2} \times \cancel{12} \times h = 48$

$= > 6 \times h = 48$

$= > h = \frac{ \cancel{48}}{ \cancel 6}$

$= > h = 8cm$

so, the height is

$\boxed{8cm}$