Answer:
26741 and 12
Explanation:
(1)
The area ( A) of a rectangle is calculated as
A = length × width , then
A = 221 × 121 = 26741
(2)
The area (A) of a triangle is calculated as
A = × base × height , then
A= × 8 × 3 = 4 × 3 = 12
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× base × height , then × 8 × 3 = 4 × 3 = 12