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S_A_V [24]
3 years ago
12

Find the surface area of the triangular prism

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0

surface area of the triangular prism = 7×10 + 7.62 × 10 + 2× 0.5 × 3×7 + 3×10 cm²

=> 70 + 76.2 + 21 + 30 cm ²

=> 100 + 97.2 cm²

=> 197.2 cm² <em><u>Ans.</u></em>

HOPE IT HELPS

PLEASE MARK ME BRAINLIEST ☺️

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Since the points are collinear, the sum of CA and AB will be CB.

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3 years ago
The sphere is _____ cubic centimeters bigger than the cube. (Round to the nearest cubic centimeter.)
Misha Larkins [42]

ANSWER

The sphere is 10762 cubic centimeters bigger than the cube.

EXPLANATION

We want to find the difference in the volumes of the sphere and the cube.

To do this, we have to find the volumes of the sphere and cube and subtract that of the cube from the sphere.

The volume of a sphere is given as:

V=\frac{4}{3}\pi r^3

where r = radius

The radius of the sphere is 15 centimeters. Therefore, the volume of the sphere is:

\begin{gathered} V=\frac{4}{3}\cdot\pi\cdot15^3 \\ V\approx14137\operatorname{cm}^3 \end{gathered}

The volume of a cube is given as:

V=s^3

where s = length of the side

The length of the side of the cube is 15 centimeters. Therefore, the volume of the cube is:

\begin{gathered} V=15^3 \\ V=3375\operatorname{cm}^3 \end{gathered}

Therefore, the difference in the volumes of the sphere and cube is:

\begin{gathered} V_d=V_s-V_c \\ V_d=14137-3375 \\ V_d=10762\operatorname{cm}^3 \end{gathered}

Therefore, the sphere is 10762 cubic centimeters bigger than the cube.

6 0
1 year ago
5x + 900 = 1100<br> What is X?<br> My last question.
Elenna [48]

Answer:

x = 40

Step-by-step explanation:

5x + 900 = 1100

=> 5x = 1100 - 900

=> 5x = 200

=> x = 40

Hoped this helped.

8 0
2 years ago
Read 2 more answers
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