A Similar Triangles Lesson Quiz

Mathematics

1 answer:

Naddik [55]2 years ago

3 0

Answer: D. 72°

Step-by-step explanation:

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A sporting goods store received an order of 80 baseball caps, of which 12 were green. If 1 of the 80 caps is selected at random,

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Probabilit is positive events / total number of events

In this case the positive events is to pick a cap that is not green and the total number is 80 (the number of caps).

The number of not green caps is 80 - 12 = 68.

Then the probability the cap selected will not be green is 68 / 80 = 17 / 20

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We have been given net of a pyramid. We are asked to find the total surface area of the pyramid.

The surface area of the pyramid will be area of base plus area of 4 triangular sides.

We have been given that base of pyramid is square, so area of base will be square of base side.

$\text{Area of base}=(\text{10 in})^2=100\text{ in}^2$