Question

Find the side 9f right angle triangle when it's one side and one angle is given

Answer 1

Answer:

Let AB and BC be the sides of the triangle containing right angle and AC be the hypotenuse as shown in the above figure:

It is given that AB=5 cm BC=12 cm

According to the pythagoras theorem

AC

2

=AB

2

+BC

2

⇒AC

2

=5

2

+12

2

⇒AC

2

=25+144

⇒AC

2

=169

⇒AC=

169

⇒AC=13Hence, the hypotenuse AC=13 cm.