Question

The height of a triangle whose base is 60cm and whose area is 600 cm ² is

a) 20 cm
b) 60 cm
c) 18 cm
d) 30 cm​

Answer 1

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Base= 60cm

Area=600cm²

$\sf Area = \frac{h \times b}{2}$

$= > 600 = \frac{60 \times h}{2}$

$\sf = > \frac{600 \times 2}{60} = h$

$\sf 10 \times 2 = h = 20$

So height of given triangle is 20cm

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Answer 2

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Explanation:

Given :

base of a triangle =60cm

area of a triangle=600 cm^2

To Find :

Height of a triangle ??

$\bold{\boxed{Area \: of \: a \: Triangle = \frac{1}{2} \times base \times height}}$

$= > \frac{1}{2} \times b \times h = 600$

$= > 60 \times h = 1200$

$= > h = \frac{1200}{60} = 20$

Therefore,Height of a triangle is 20cm

Some properties of Triangle:

• A triangle is a three dimensional figure which have 3 sides 3 vertices and sum of angle is 180°
• A triangle ∆ABC have 3 angles which is denoted as ∠A ,∠B and ∠C respectively.