Find the area of the shaded triangle

4 ft^2

Step-by-step explanation:

Area of shaded triangle = Area of total triangle - area of unshaded triangle.

Area of total triangle = = 4 * 4 / 2 = 8

Area of unshaded triangle = = 4

8 -4 = 4 ft^2

Hope this helps.

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

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answer: d.) the total number of protons and neutrons is 15

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