Question

in a right angled triangle ABC if angle b equals 90 degree and AB eqauls 12 cm BC equals 5 cm then AC equals ? ​

Answer 1

Answer: 13 cm

Step-by-step explanation:

The Pythagorean Theorem states that :-

In a right-angled triangle ABC , with AC as the hypotenuse , we have :-

(AB)² + (BC)² = (AC)²

Since in your question , angle B is right-angled , we are given that AC is the hypotenuse .

Also AB = 12 cm , BC = 5 cm .

So by Pythagorean Theorem , we have :-

(12)² + (5)² = (AC)²

=> 144 + 25 = (AC)²

=> AC = √169 = 13 cm .

So the length of AC equals 13 cm .

Hope this helps you .

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Answer 2

Answer:

Given,

ABC is a right angle triangle.angle at Bus 90 degree we can use pythagorous theorm so AC=√(AB^2+BC^2)=13