10-2 area of a triangle 1.) what is the formula for the area of a rectangle? 2.) if a rectangle is...
TRANSCRIPT
10-2 Area of a Triangle
1.) What is the formula for the area of a rectangle?
2.) If a rectangle is divided into two equal triangles, what is the formula for the area of a triangle?
A =
A =
Find the area of each right triangle. Calculators are permitted, but you must show all required steps.
2.) 1.)
8 cm
8 cm
11 cm
8.1 cm
6 cm
10.2 cm
Sometimes the height is not one of the sidesThe height is perpendicular to the baseShow required steps
5.1 cm
6 cm6.5 cm
3.) Acute triangle 4.) obtuse triangle
7.5 cm
4 cm
3.9 cm
5.) Find the area of the triangle.
b = 30 ft.
h = ft
6.) Critical Thinking Question: Do the two triangles inscribed inside the rectangle have the same area? Explain.
4 cm
6 cm
7.) A triangular kite has a base of 5 ft and an area of 10 ft2. What is the height of the kite?
5 ft
Area = 10 ft2
?
1.)
2.)
3.4 cm
6 cm
4.9 cm
Demonstrate Understanding: Find the area of each triangle. Show all required steps.
11.5 m
14 m
9 m8 m
Find the perimeter and area of each shape.
3.) 4.)