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Ne4ueva [31]
3 years ago
15

Helppp. How do we get the triangles together?

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0

Answer:

You have to rotate/mirror

Step-by-step explanation:

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15. A cylindrical glass 10 cm tall and 8 cm in diameter is filled to 1 cm
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Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

Step-by-step explanation:

-For the water in the glass to overflow, the volume of the inserted solid must be greater than the volume of the empty space or the ensuing height of  water >height of glass.

#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

V=\pi r^2 h\\\\=\pi \times 4^2\times 10\\\\\approx 50.27\ cm^2

We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

4 0
3 years ago
Simplify 3^2 + 1 * 2
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Answer:

3×3+1×2

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11 is the answer

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Classify the following triangle based on its angle measures.
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Answer:

D.) Right

Explanation:

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C.) A right triangle is where one of its interior angles is a right angle (90 degrees).

D.) An equiangular triangle is a triangle where all three interior angles are equal in measure.

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