Basics of Triangles
Real-World Application
Area of Triangles Notes
Word Problems
Advanced Problems
100

A triangle with only two sides of equal length.

What is an isosceles triangle.

100

If a triangular garden has a base of 6 meters and a height of 4 meters, this is the area. 

What is 12 square meters.

100

The formula to find the area of a triangle. 

What is 1/2 base times height. 

100

A small toy sailboat has a triangular sail with a base of 8cm and a height of 10cm. The area of the sail. 

What is 40 square centimeters.  

100

A triangle with sides measuring 6 cm, 8 cm, and a 6 cm base has a height of 4 cm calculate its area.

What is 12 square centimeters.

200

The triangle type with a 90-degree angle.

What is a right triangle.

200

A triangular roof section with a base of 15 meters and height of 7 meters. This is the area. 

What is 52.5 square meters

200

To find the area of a triangle, you must substitute the values for the _______ and the _______ into the formula and solve. 

What is the Base and Height. 

200

A gardener created a triangular flower bed. The base is 6 meters and the height is 7 meters. The area of the flowerbed.

What is 21 square meters?

200

For a triangle wits a base of 2cm and a height 3cm longer than the base, this is the area.

What is 5 square cm?

300

A triangle that has one angle greater than 90 degrees.

What is an obtuse triangle.

300

The area of a triangular park with a base of 25 meters and a height of 20 meters.

What is 250 square meters.

300

The answer of the area of a triangle should be what type of units.

What is units squared. 

300

The triangular side of a doghouse roof has a base of 3 feet and a height of 2.5 feet. The area of the roof. 

What is 3.75 square feet?

300

If a triangular banner has an area of 48 sq in and a base of 12 in, this is the height. 

What is 8 inches?

400

A triangle where all angles are less than 90 degrees.
 

What is an acute triangle.

400

The area of a triangular lot with a base of 18 meters and a height of 10 meters.

What is 90 square meter

400

The base and the hight of a triangle must meet at a _________. 

What is a right angle.

400

A triangular flag has a length of 1.2 meters and a height of 0.8 meters. The area of the triangular flag. 

What is 0.48 square meters?

400

A 10cm square is folded diagonally; this is the area of the resulting triangle. 

What is 50 square centemeters? 

500

A triangle’s area is 1/2 base x height. (How can) this be rewritten using the same components.  

What is (base x height)/2. 

500

If a triangular sail has a base of 20 feet and a height of 15 feet, What is the area?

What is 150 square feet.

500

If you were given the area of a triangle, the area of its related parallelogram would be ___________. 

What is double(d). 

500

A sandwich is cut diagonally. The base is 5 inches and the height is 4 inches. The area of the whole sandwich. 

What is 20 square inches? 

500

In a triangle where the base-to-height ratio is 2:1, this is the area if the height is 6 inches. 

What is 36 square inches?