jessica94866
05.05.2020 •
Mathematics
A: 42.4
B: 80.2
C: 92.8
D: 101.6
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Ответ:
B. 80.2 square inches
Step-by-step explanation:
This figure is a composite figure made up of two rectangles (see attachment).
The area of a rectangle is denoted by: A = lw, where l is the length and w is the width.
In the top rectangle, the length is 3 and the width is 10.2, so A = 3 * 10.2 = 30.6 square inches.
The length of the bottom rectangle is 8 and the width is 6.2, so the area is A = 8 * 6.2 = 49.6 square inches.
Add these together: 30.6 + 49.6 = 80.2 square inches.
Ответ:
B
Step-by-step explanation:
(10.2 × 3) + (6.2×8)
30.6 + 49.6
80.2 in²
Ответ:
You use a lighter!
Step-by-step explanation:
Hope this helps!