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ICE Princess25 [194]
3 years ago
14

Find the volume of the prism at right all angles are right angles.....

Mathematics
2 answers:
dexar [7]3 years ago
8 0
Lets divide this prism into two parts. The bottom part has dimensions of 15mm length x 5mm width x 7mm height.

The bottom is 15x5x7 = 525 cubic mm.

The top part has dimensions of 9mm length (I got this by subtracting the 3mm on each side that the top is shorter than the bottom.. 15-3x2) x 5mm width x 3mm height.

The top is 9x5x3 = 135 cubic mm.

Added together ... 525 + 135 = 660 cubic mm = the total area of the prism.

Hope this helps
wariber [46]3 years ago
6 0
Volume of the larger block = 15x5x7 = 525 mm³

In the smaller block, to be able to calculate the volume we need to know its lateral base or length: Length = 15 - 3 - 3 = 9mm

Then its volume is 9x5x3=135 mm³

TOTAL VOLUME = 525+135 =660 mm³
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cricket20 [7]
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8 0
3 years ago
How can you tell if a fraction is a perfect square?
zimovet [89]

Answers: A fraction is a perfect square if it's reduced version (of an improper fraction if the number is greater than 1) has both numerator and denominator numbers that are perfect squares. IE: 25/36 is a perfect square because both 25 and 36 are perfect squares.

Step-by-step explanation:

So for example 5/25 is a perfect square but 2/5 wouldn't be a perfect square.

Tell me if this helped you

7 0
3 years ago
At 3pm, the length of the shadow of a thin vertical pole standing on level ground is the same as the height of the pole. A while
aliya0001 [1]

Answer: The height of the pole is 175.97 ( approx )

Step-by-step explanation:

Let the height of the pole is x cm,

Also, let the angle of elevation of the sun to the pole at 3 pm is \theta

Thus, by the question,

tan\theta = \frac{\text{ The height of the pole}}{\text{ The height of the shadow}}

\implies tan\theta = \frac{x}{x}    ( at 3pm the height of shadow = height of the pole)

\implies tan\theta = 1

\implies \theta = 45^{\circ}

Again, according to the question,

When the angle of elevation is   (\theta - 12^{\circ}),

The height of shadow = x + 95,

\implies tan(45-12)^{\circ}=\frac{x}{x+95}

\implies tan 33^{\circ}=\frac{x}{x+95}

\implies tan 33^{\circ}x + 95\times tan33^{\circ}=x

\implies tan 33^{\circ}x - x = - 95\times tan33^{\circ}

\implies -0.3505924068 x = - 61.6937213538

x=175.969930202\approx 175.97\text{ cm}

4 0
3 years ago
Choose the answer that best translates the algebraic expressic<br> 6(w+2)<br> KATES MATH LESSONS
____ [38]

Answer: where is it?

what do u mean??? im confused...

7 0
2 years ago
WILL GIVE BRAINLIEST
Virty [35]
You need to find circumference, so you would multiply the diameter by pi. So your answer is 212pi feet or 666.02 feet
6 0
3 years ago
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