The legs of a right triangle are 4 units and 7 units. what is the length of the hypotenuse?
a. square root 33 units
b. square root 65 units
c. 33 units
d. 65 units

Correct option is:

B. square root 65 units

Step-by-step explanation:

Pythagorean theorem states that the square of hypotenuse is equal to the sum of squares of the legs of the right angled triangle.

Here, we are given that:

The legs of a right triangle are 4 units and 7 units.

By Pythagoras theorem

Hypotenuse²=4² +7²

                     = 16+49

                     = 65

⇒ Hypotenuse=

Hence, Correct option is:

B. square root 65 units

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.