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AlekseyPX
3 years ago
9

The area of a trapezoid is 864 cm2. It has a height of 24 cm, and the length

Mathematics
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:

Length of other base = 42 cm

Step-by-step explanation:

h = 24 cm

One of its base a = 30 cm

Area=864cm^{2}\\\\\frac{(a+b)*h}{2}=864\\\\\frac{(30+b)*24}{2}=864\\\\(30+b)*12=864\\\\30+b=\frac{864}{12}\\\\30+b=72

b = 72 - 30

b = 42 cm

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