A. If 8.2 Cm Is Used As the Base, What Is the Height? Give the Exact Value

Geometry

Developing Area

Name ______

Hour ______

Finding area of a triangle.

1)

A. If 8.2 cm is used as the base, what is the height? Give the exact value.

B. Write the formula for the area of a triangle and substitute the exact values if 8.2 cm is used as the base. Do not solve.

C. If 11.9 cm is used as the base, what is the height? Give the exact value.

D. Write the formula for the area of a triangle and substitute the exact values if 11.9 cm is used as the base. Do not solve.

2)

A. If 6.7 cm is used as the base, what is the height? Give the exact value.

B. Write the formula for the area of a triangle and substitute the exact values if 6.7 cm is used as the base. Do not solve.

C. If 3.1 cm is used as the base, what is the height? Give the exact value.

D. Write the formula for the area of a triangle and substitute the exact values if 3.1 cm is used as the base. Do not solve.

3)

A. If 9.8 cm is used as the base, what is the height? Give the exact value.

B. Write the formula for the area of a triangle and substitute the exact values if 9.8 cm is used as the base. Do not solve.

C. If 4.5 cm is used as the base, what is the height? Give the exact value.

D. Write the formula for the area of a triangle and substitute the exact values if 4.5 cm is used as the base. Do not solve.

4) How are you finding the missing heights in each case?

5) How are the two sides and the angle related in each case?

6) Is it possible to generalize the area formula in this case? If so, do so.