List the perfect squares between 20 and 90
25,36,49,64,81
What is the square root signed actually called?
Radical
What is formula for area of a triangle?
(base x height) / 2
C is called the hypotenuse. What are A and B called of a right triangle?
Legs
What do these words have in common...string,navy and green?
All of them are types of beans
Demonstrate in some way that 16 is a perfect square
List all the factors of 16 (1,2,4,8,16) odd number of factors or a square that is 4 units x 4 units
What is the difference between 92 and square root of 9?
92 = 81 and square root of 9 = 3
What is the formula for finding that area of a parallelogram?
base x height
Is a triangle that has the following measurements a right triangle? 5 ft, 7ft, 12 ft
It is not because a2 + b2 = c2 , 52 + 72 = 122 , 25 + 49 = 144, 74 < 144
Who won the NCHC college hockey championship this weekend?
UMD Bulldogs!!
Demonstrate that 21 is not a perfect square
Factors of 21 are 1, 3, 7, 21. Even # of factors. NO matching factors
What whole numbers is the square root of 97 between?
9 and 10
What is the formula for area of a trapezoid?
1/2 (base1+base2) x height
A 10 ft ladder is up against a house, the base of the ladder is 2 feet away from the house. What height does the ladder reach on the house? NO calculator
102 - 22 = b2, 100 - 4 = 96=b2 b=9.8 ft
What famous mathematician derived the formula E=mc2?
Albert Einstein
What is the perimeter of a square that has an area of 64 square units?
8 x 4 = 32 units
What whole number is the square root of 116 closest to?
11
What is the formula for area of a circle?
pi times r2
Find the missing measure of this right triangle:
b=10
c=12
a=6.6
When do you take the math MCAs this year?
April 22-25
What is 3.7 squared to the nearest hundredth?
13.69
A square has an area of 81 m2. What is the perimeter of the square. NO calculator!
36 meters
What is the formula for Pythagorean Theorem?
a2+b2=c2
Find the missing measure of this right triangle:
a=5
b=6
c=7.8
What is Mrs. McGovern's dog's name?
Maggie