Find the surface area of the equilateral triangular pyramid.
2 answers:
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Answer:
Option D is the correct option.
Step-by-step explanation:
When there is a ( + ) in front of an expression in parentheses , there is no need to change the sign.
That means, the expression remains the same.
Just remove the unnecessary parentheses
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Collect like terms and simplify
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Hope I helped!
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Answer:
Step-by-step explanation:
<u>Area of a Compound Shape</u>
The shape shown in the image is made of two shapes: Half a circle of radius 8 m and a triangle of base 24 m and height 16 m.
The area of a circle of radius r is:
The area of a triangle of base b and height h is:
Calculate the area of the circle:
Area of half the circle:
Area of the triangle:
The area of the shaded shape is:
Substituting the value of pi: