Question

The area of triangle of base 8 cm is 20 square cm then , length of the altitude of the triangle is ​

Answer 1

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Working formula ==》 Area = 1/2 × base × height(altitude)

⭕20 = 1/2 × 8 × H

H = 5 cm which is the required answer .

Answer 2

$\huge\bold\pink{ANSWER:-}$

Step by step Explanation

Let the altitude be 'x' cm

Given,

Base of the triangle= 8cm

Area of the triangle= 20 cm²

Now, using the formula for the area of the triangle, we get :-

Area of ∆ = ½× base × altitude

$→20 = \frac{1}{2} \times 8 \times x$

$→20 = 4 \times x$

$→x = \frac{20}{4}$

$→x = 5cm$

Therefore,

The altitude of the ∆ is 5 cm