Sq Roots (whole #s/decimals)
12
What is the square root of 9/25?
3/5
What is the formula for the Pythagorean theorem?
a2 + b2 = c2
What is the area of a rectangle with a length of 8 cm and a width of 3 cm ?
24 cm2
Determine the area of each of the 6 faces (top/bottom, front/back, left/right) and add them together for total surface area.
Estimate a value for the square root of 15.8 to the nearest hundredth. Be ready to explain your thinking.
About 3.95
What is the square root of 1/121?
1/11
Fill in the blank: The hypotenuse (c) is always _________ from the 90 degree angle.
The hypotenuse (c) is always across from the 90 degree angle.
Determine the area of a triangle with a base of 7 mm and a height of 10 mm.
35 mm2
Explain why surface area is expressed using square units (ex. units2, cm2, m2, in2, etc.)
Area represents the amount of "flat" space a shape covers. Unlike a line, which has only one dimension (length), a surface has two: length and width. To find the total space, you multiply these two measurements.
What is the square root of 0.81?
0.9
Calculate the number whose square root is 9/7
81/49
If I have a right angle triangle and the length of the two legs is a=6 and b=8, what is the length of the hypothenuse (c)?
c = 10
What is the area of a circle with a radius of 9m to the nearest hundredth?
254.47 m2
Practice question 6 b) from review.
about 383.4 km2
Calculate the number whose square root is 1.5
sqrt(2.25) = 1.5
Estimate a value for the square root of 24/17. Be ready to explain your thinking.
about 5/4
If I have a right angle triangle with a leg of 10m and a hypothenuse (c) of 20m, what is the length of the missing leg to the nearest tenth?
about 17.3 m
A square has an area of 121 cm2. What is the side length of this square?
11 cm
Practice question 6 c) from review.
About 304.73 mm2
Estimate a value for the square root of 21.2 to the nearest tenth. Be ready to explain your thinking.
about 4.6
Estimate a value for the square root of 88/10. Be ready to explain your thinking.
about 2.95 or 9/3 *
A soccer field is a rectangle 90 meters wide and 120 meters long. The coach asks players to run from one corner to the other corner diagonally across. What is this distance?
The distance across the soccer field is about 150 m.
A square and a rectangle have the same area. The side length of the square is 8 cm. If the length of the rectangle is 16 cm, what is the width?
4cm
Practice Question 6 a) from review