Finding Missing Sides Using Pythagorean Theorem

In a computer catalog, a computer monitor is listed as being 27 inches. This distance is the diagonal distance across the screen. If the screen measures 15 inches in height, what is the actual width of the screen to the nearest inch? 

• 22 in

• 23 in

• 24 in

• 25 in

In a right triangle, if a = 8 and c = 17, what is the correct setup to find the value of b?

Find the value for x.

Mathematical Equivalence

ON

The diagonal of a rectangle is 25 in. The width is 15 in. What is the length?

• 525 in

• 27 in

• 23 in

• 10 in

The Pythagorean is used to find what

• missing sides only

• missing angles only

• either missing sides or angles

Best buy is advertising a desktop monitor as 20 inches (diagonal length of the screen). If the screen is 12 inches high, what is the width of the screen? Round to the nearest tenth if necessary. (hint: we are looking for "a or b")

• 16 inches

• 8 inches

• 14 inches

• 18 inches

What is the length of x?

• 5

• 7

• 8

• 25

you ADD a² and b² then take the square root to find c on a right triangle.

• true

• false

What is the formula for finding the hypotenuse?

• a²⁺b²=c²

• a+b=c

• a-b=c

• c-a=c

what is x

• 75

• 155

• 70

• .75