Question

A right angled triangle has the largest side as 13cm and one of the sides containing the right angle as 12cm. It’s area in cm2 is

Answer 1

Answer:

one side is 13 & another is 12 so third side will be 5 according to Pythagoras theorem

now area of triangle = half into base into height

= 1/2(12)(5)

=30cm^2

hope it works ❤️❤️

plz mark it as brainliest answer

Answer 2

Area of right angle triangle = 30 $cm^{2}$

Step-by-step explanation:

A right angle of a triangle in which one angle is  $90^o$,

• The opposite sides of a right angle is called hypotenuse,
• The sides adjacent to the right angle are called legs such as base.

• If the length of all three sides of right angle triangle is an integer,the triangle is said to be a Pythagorean triangle.

In the given question, the largest sides is called hypotenuse =13 cm

                                       $\therefore$ perpendicular = 12 cm

                                       finds its area = ?

by using Pythagoras triplet,

                                                  $h^2=p^2+b^2\\b^2=h^2-p^2\\b^2=13^2-12^2\\b^2=25\\b=\sqrt{25} \\b=5$

By using formula to find area of right angle triangle

                                                   $\frac{1}{2}\times b\times h\\=\frac{1}{2}\times5\times12\\=6\times5\\=30 cm^2$