Triangles (Perimeter)
Triangles (Area)
Square Roots
Challenge and Mixed Review
Bonus Round: Testing out Pythagorean theorem
100

What is the perimeter of an equilateral triangle when one side's length is 5 ft?

Perimeter = 15 feet

100

What is the formula for the area of a triangle?

100

What is the square root of 1?

1

because 1 times itself equals 1.

100

Double Jeopardy

What is 3.52 ?

12.25

100

DOUBLE JEOPARDY

The Pythagorean Theorem is used to find the length of a right triangle's sides.

True

200

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

200

What is the area of a triangle that has a base of 12 inches and a height of 4 inches?

24 inches squared

200

What is the square root of 25?

5

because 5 times itself equals 25.

200

True or False: 

The square root of 64 is 7. 

False. 


It is 8.

200

DOUBLE JEOPARDY

What types of triangles can you use the Pythagorean theorem for?

right triangles

300

What is the perimeter of a scalene triangle with side lengths of 9 ft, 20 ft, 5 ft?

Perimeter = 34 ft

300

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.  

300

What is the square root of 64?

8

because 8 times itself is 64.

300

DOUBLE JEOPARDY

Which numbers are not perfect squares from this list?

3, 27, 144, 16, 12

3, 27, 12

300

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: a+ b= c2

The letter c represents the hypotenuse. 

The letters a and b represent the legs.

400

What is the perimeter of an equilateral triangle when one side's length is 2.4 ft?

Perimeter = 7.2 ft

400

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

400

What is the square root of 169?

13

because 13 times itself is 169.

400

(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

400

DOUBLE JEOPARDY

Use the Pythagorean Theorem equation to solve for the missing length.

a = 6, b =?, c = 10

b = 8

500

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

500

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

500

True or false: The square root of 10 is 5.

False. 

10 does not have a perfect square root. 

500

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

500

TRIPLE JEOPARDY

Use the Pythagorean Theorem equation to solve for the missing length.

a =?, b = 24, c = 25

a = 7