1.

22. Find the area of right angled triangleABC in which AB=AC=4 cm and right angleis at A.*​

Answer»

Answer:

8 cm sq.

Step-by-step explanation:

Given that,

There is a ∆ABC such that, it is RIGHT angled at vertex A.

Also, the length of sides are given as,

To find the area of ∆ABC.

\red{Diagram:-} Refer to the attachment.

In the drawn figure of ∆ABC, we cam Clearly see that,

AB is the perpendicular length of ∆ABC and,

AC is the base length of ∆ABC.

Now, we know that,

Area of right ∆ = ½ × perpendicular × base

Therefore, we will GET,

=> ar(∆ABC) = ½ × 4 × 4

=> ar(∆ABC) = 2 × 4

=> ar(∆ABC) = 8

Hence, the required area of ∆ABC is 8 cm sq.


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