Question

In a right angle triangle angle b=90 ,AC=29cm,AB=20cm,then find the length of bc

Answer 1

Answer:

By pythagoras theoram,

base^2=hypotenuse^2-altitude^2

BC^2=(29)^2-(20)^2

=841-400

=441

BC =

$\sqrt{441 = 21}$

Answer 2

Step-by-step explanation:

Find the area of a Right triangle ABC, when ∠B=90°, AB=20cm, AC=29cm.