What is the Pythagorean Theorem?
c2 = a2 + b2
What is 12 cm squared?
144 cm2
a=10, b=24, c=?
c = 26
Calculate, without using a calculator:
5/6
Janice is flying a kite. The height of the kite is 37.7 m and she is positioned 40 m away from beneath the kite. About how long is the kite? Answer to nearest metre.
50 m
What is the square root of 49 km2?
7 km
What is the length of x?
45
What is the gradient of this line?
3/2
A TV is 26 inches long by 23 in tall, how big is the screen diagonal? To the nearest inch
35 in
What is 20 cm. squared?
400 cm2
What is the length of the unknown side, to the nearest tenth, if the two shorter sides are 1.8 and 4?
4.4
At a school fundraising event, people can buy a ticket to spin a spinner like the one below. The region that the spinner lands in tells which, if any, prize the person wins.
If 240 people buy tickets to spin the spinner, what is the best estimate of the number of keychains that will be given away?
The measurements of a triangle are 12, 35, 37. Is this a RIGHT TRIANGLE? Provide mathematical reasoning for your answer.
YES, 122+352=372
What is the square root of 1000 sq. metres?
10 m (metres)
Calculate (without using a calculator):
46 X 12 =
552
A distance between bases in a baseball field is 90m. The catcher wants to throw the baseball to second base, how far does he need to throw it (nearest tenth)?
127.3 m
Estimate the square root of 80 sq. millimetres.
9 mm
If the two shorter sides of a right triangle are 4, what is the length of the third side, to the nearest tenth?
5.7
Evaluate:
2-3
1/8
Give one example of how the Pythagorean Theorem is used in the real world.
Baseball – how far a catcher has to throw a ball to second base What kind of ladder you need to get to your roof Height of a building Ramp of a moving truck (ramps in general) Measurement of a TV Distance – shortest distance from one place to another Floorplans - Computers and Satellites use PT (and trigonometry) to locate any place on earth now.