Somebody help me with this lol, 9x = 81 ?
2 answers:
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Answer:
x = 15
Step-by-step explanation:
Given
2 = - +
x
Multiply through by 4 to clear the fractions
8 = - 7 + x ( add 7 to both sides )
15 = x
<u>Given</u>:
Given that the height of the pyramid is 12 units.
The base of the triangle is 8 units.
The height of the triangle is 6 units.
We need to determine the volume of the pyramid.
<u>Area of the triangle:</u>
The area of the triangle can be determined using the formula,
where b is the base of the triangle and h is the height of the triangle.
Substituting the values, we get;
Thus, the area of the triangle is 24 square units.
<u>Volume of the pyramid:</u>
The volume of the pyramid can be determined using the formula,
where A is the area of the triangle and H is the height of the pyramid.
Substituting the values, we get;
Thus, the volume of the pyramid is 96 cubic units.