What is the perimeter of an equilateral triangle when one side's length is 5 ft?
Perimeter = 15 feet
What is the formula for the area of a triangle?
What is the square root of 1?
1
because 1 times itself equals 1.
Double Jeopardy
What is 3.52 ?
12.25
DOUBLE JEOPARDY
The Pythagorean Theorem is used to find the length of a right triangle's sides.
True
What is the perimeter of an isosceles triangle when one side's length is 5 ft and the other two sides have a length of 10 ft?
Perimeter = 25 ft
What is the area of a triangle that has a base of 12 inches and a height of 4 inches?
24 inches squared
What is the square root of 25?
5
because 5 times itself equals 25.
True or False:
The square root of 64 is 7.
False.
It is 8.
DOUBLE JEOPARDY
What types of triangles can you use the Pythagorean theorem for?
right triangles
What is the perimeter of a scalene triangle with side lengths of 9 ft, 20 ft, 5 ft?
Perimeter = 34 ft
DOUBLE JEOPARDY
Two friends split a large triangular pizza into two slices. They want to calculate the area of each slice to make sure they evenly shared. The first pizza slice has a height of 5 inches and a base length of 12 inches. The second pizza slice has a height of 6 inches and a base length of 10 inches. What was the area of each pizza slice? Did they evenly share their pizza?
Yes, they evenly shared the pizza. Both pizza slices had an area of 30 inches squared.
What is the square root of 64?
8
because 8 times itself is 64.
DOUBLE JEOPARDY
Which numbers are not perfect squares from this list?
3, 27, 144, 16, 12
3, 27, 12
DOUBLE JEOPARDY
What is the formula for the Pythagorean Theorem? What letter in the equation represents the hypotenuse (the longest side of the triangle)? What two letters represent the legs (the shorter sides of the triangle)?
The Equation: a2 + b2 = c2
The letter c represents the hypotenuse.
The letters a and b represent the legs.
What is the perimeter of an equilateral triangle when one side's length is 2.4 ft?
Perimeter = 7.2 ft
There is a lawn that is triangle-shaped with a base of 7.2 feet and a height of 10 feet. What is the area of the lawn?
The lawn has an area of 36 feet squared
What is the square root of 169?
13
because 13 times itself is 169.
(No calculator)
What is the area of a triangle with a base of 5 cm and a height of 15.4 cm?
38.5 cm squared
DOUBLE JEOPARDY
Use the Pythagorean Theorem equation to solve for the missing length.
a = 6, b =?, c = 10
b = 8
DOUBLE JEOPARDY (NO CALCULATOR)
What is the perimeter of an isosceles triangle when one side's length is 4.3 ft and the other two sides have a length of 6.3 ft?
Perimeter = 16.9 ft
Calculator allowed. Round to the nearest tenth.
What is the area of a triangle that has a base of 20.1 inches and a height of 3.9 inches?
Area = 39.2 inches squared
True or false: The square root of 10 is 5.
False.
10 does not have a perfect square root.
There is a triangle with the side lengths 3 km, 4 km, 5km long. What type of triangle is it?
What is the perimeter of this triangle?
Type of Triangle: Scalene
Perimeter: 12 km
TRIPLE JEOPARDY
Use the Pythagorean Theorem equation to solve for the missing length.
a =?, b = 24, c = 25
a = 7