Question

Find the value of x in the triangle shown below. 7 3 C

Answer 1

Answer:

B

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is

x² = 3² + 7² = 9 + 49 = 58 ( take square root of both sides )

x = $\sqrt{58}$ → B

Answer 2

Answer:

$\sqrt{58}$