Question

area of a triangle is 30 cm square if the base is 10 centimetre then its height is _
a)5cm
b)5cm
c)7cm
d)8cm

Answer 1

Answer:

6cm

Step-by-step explanation:

let h be the height of the triangle.

given

area of triangle =30cm²

base of the triangle =10cm

we know

area of triangle =1/2*b*h

or, 30cm²=1/2*10cm*h

or, 30cm²=5cm*h

or, h=30cm²/5cm

or, h=6cm (and)

Answer 2

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ANSWER :

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The Base of the Triangle, b = 10 cm

The Height of the triangle, h = ?

The Area of the triangle, A = 30 cm^2

We know that ,

$area \: of \: triangle \: = \frac{1}{2} \times b \times h$

From this ,,,

Area , A = 1/2 × 10 × h

30 = 5h

h = 30 / 5

h = 6 cm

The Height, h is 6 cm

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