Please help. Don't know what to do
1 answer:
Answer:
D C E A B
Step-by-step explanation:
The attachment shows the construction. Seeing this, it is a matter of logic. A point can't be placed until there is something to place it on. An arc can't be drawn until there is a center for it. The sequence must be ...
- (D) draw OP
- (C) place points Q, R equidistant from P
- (E) make an arc through where S will be with Q as center
- (A) make another arc through where S will be with R as center; label S
- (B) draw PS
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Answer: last option (5π√146 units²)
Step-by-step explanation:
To solve the exercise you must apply the formula for calculate the lateral area of a cone, which is shown below:
where r is the radius but L is the slant height.
As you can see in the figure attached:
But you need to find the slant height with the Pythagorean Theorem (L would be the hypotenuse):
Substitute into the formula, then:
units²