Area of Triangles
Challenge 1
Challenge 2
100
Find the area of a triangle with a base of 8 cm and a height of 10 cm
40 cm2
100
Find the COMBINED Area of BOTH TRIANGLES.
15 units2
(3*5)/2+(3*5)/2=15/2+15/2=7.5+7.5
100
The area of a square is 81 cm2. Find the length and width.
What is 9 cm and 9 cm?
200
Find the area of a triangle with a base of 1 cm and a height of 1 cm.
0.5 cm2
200
The picture shows a triangle-shaped garden bordered by sidewalks. Find its Area.
1,000 ft2
A=(b*h)/2=(50*40)/2=2000/2
200
A triangle has an area of 24 units2. What are the possible measurements for the base and height.
You need to find at least 2 different answers to earn the points
4 and 12
6 and 8
3 and 16
2 and 24
300
The area of the triangle.
56 in2
300
A triangle's base is 3 times its height. The height is 4.
What is the area?
24 units2
A=(b*h)/2 = (12*4)/2=48/2=24
300
The height of the triangle is 12 cm greater than the base of the triangle, b. What is the area of the triangle?
A=(30*18)/2
270 cm2
400
Find the area of a triangle with a base of 125.5 cm and a height of 23.1 cm
1,449.5 cm2
400
Find the area of the trapezoid
***(do you see any triangles???)
78 in.2
A=(12*6)/2 +(14*6)/2=72/2+84/2=36+42
400
Find the total area of the shapes below 
412.5 in2
500
Triangle PQR is a section of a ball field. Find the area. 
156 ft2
500
what is the TOTAL AREA ?
11,250 cm2
500
Find the area of the shape below 
1,344 ft2