Test - OK Mastering the OSTP in Grade 8 math Chapter 12

OK Mastering the OSTP in Grade 8 math Chapter 12 Sample

1 pt

What is the measure of the missing side in a right triangle that has a hypotenuse measuring 25 cm and leg measuring 15 cm?

5 cm

29 cm

10 cm

20 cm

1 pt

Which of the following is the correct equation using the Pythagorean theorem?

$40^{2} + 8^{2} = 39 . 2^{2}$

$8^{2} + 39 . 2^{2} = 40^{2}$

$39 . 2^{2} - 8^{2} = 40^{2}$

$40^{2} + 39 . 2^{2} = 8^{2}$

1 pt

A graphing calculator’s screen is 2.5 inches wide and 1.5 inches tall. What is the approximate diagonal length of the calculator’s screen?

8.5 inches

4.0 inches

3.8 inches

2.9 inches

1 pt

A suspension bridge is supported by a cable measuring 220 feet that is attached to the bridge 100 feet from the base of the tower. The other end of the cable is attached to the top of the tower. About how tall is the tower?

196 feet

242 feet

120 feet

320 feet

1 pt

A local hardware store sells door stops that are 2 inches high and 4.5 inches long. What is the diagonal length of the door stop?

4.9 inches

49 inches

24.25 inches

6.5 inches

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