Question

2. (a) Find the area of this triangle.

12 cm



9 cm
(b) Suppose the base is doubled. Explain what happens to the original area.




(c) Suppose both the height and the base of the original triangle are doubled.
Explain what happens to the original area.

Answer 1

Answer: A)Area=1/2bh, 1/2x12x9=1/2x108,108/2=54cm2.

B)If the base doubles the original Area doubles.

C)If both the Height and the base is doubled then the Area will Quadruple.

Explanation: