What is the area of the shaded region?

Mathematics

1 answer:

storchak [24]3 years ago

4 0

Answer:

144 ft^2

Step-by-step explanation:

It is the same as the area of a single triangle with a base of 18 ft and a height of 16 ft. The formula is ...

A = (1/2)bh

= (1/2)(18 ft)(16 ft) = 144 ft^2

The shaded area is 144 ft^2.

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The volume of the pyramid shown in the figure is cubic centimeters. If the slant height of the pyramid increases by 4 centimeter

Nostrana [21]

Answer:

Part a) The volume of the original pyramid is $15\ cm^{3}$

Part b) The volume of the pyramid increases by $6\ cm^{3}$

Step-by-step explanation:

<u><em>The complete question is</em></u>

Part 1) The volume of the pyramid shown in the figure is 9,15,21, or 63 cubic centimeters?. Part 2) If the slant height of the pyramid increases by 4 centimeters and its height increases by 2 centimeters, the volume of the pyramid increases by 6,9,12 or 21 cubic centimeters?

we know that

The volume of the pyramid is equal to

$V=\frac{1}{3}Bh$