ferg6
06.10.2020 •
Mathematics
Mrs. Palmer asks her students to find the area of the tops of their desks.
3 feet
13 feet
5 feet
What is the area of the tops of the desks?
A 15 square feet
B 12 square feet
C 9 square feet
D 3 square feet
Its multiple choice
need help asap
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Ответ:
12 square feet
Step-by-step explanation:
The shape of the top of the desk is a trapezoid.
A = (b1 + b2)h/2
A = (5 ft + 3 ft)(3 ft)/2
A = (8 ft)(3 ft)/2
A = 24 ft^2/2
A = 12 ft^2
12 square feet
Ответ: