Question

1.Length of two legs of a rightangle triangle are 1.5 and 0.8cm find the length of

third side.​

Answer 1

Answer: 1.7cm

Step-by-step explanation :

a^2 + b^2 = c^2 where c^2 is the hypotenuse while a square plus b square are the legs of the triangle.

Then, c^2 is 1.5^2 + 0.8^2.

= 2.25cm + 0.64cm

= 2.89cm.

Now, c = Root of 2.89cm

= 1.7cm.

Hence , length of third side is 1.7 cm.

Answer 2

by Pythagoras theorem

x² = 1.5² + 0.8²

x² = 2.25 + 6.4

x² = 2.89

x = 1.7 cm