Square Root and Pythagorean Theorem Review

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

Tags

CCSS.8.EE.A.2

What is the area of ABCD?

• 16
• 20
• 25
• 25.3

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

What is the side of a right triangle across from the right angle called?

• square
• arm
• leg
• hypotenuse

What is the formula for finding the hypotenuse?

• a²+b²=c²

• a+b=c

• a-b=c

• c-a=c

Tags

CCSS.8.G.B.8

The legs form what type of angle?

• Acute
• Obtuse
• Reflex
• Right

Tags

CCSS.4.G.A.1

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If I know the area of a square, how do I find the side length?

• I square the area.
• I divide the area by 2.
• I take the square root of the area.
• I divide the area by 4.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A perfect square is a number whose square root is ___________.

• Even

• irrational

• Rational

• Odd

Tags

CCSS.8.EE.A.2

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

Tags

CCSS.8.EE.A.2