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OverLord2011 [107]
2 years ago
15

Find the surface area of the prism or pyramid. Round to the nearest whole number if necessary.

Mathematics
2 answers:
Kryger [21]2 years ago
7 0

Answer:

The answer would be 346

Step-by-step explanation:

Hope this helps!

dlinn [17]2 years ago
6 0

Answer:

346

Step-by-step explanation:

Hope it help. The surface area of the prism or pyramid is 346

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The prism shown has a volume of 35cm³. Work out the height of the triangular cross section. The length going back is 7cm and the
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Answer:

2.5 cm

Step-by-step explanation:

The volume of a triangular prism is cross section × length.

The cross section area is the triangle area. The triangle length is 4 cm, the height is not given. The length of the triangular prism is 7cm.

4 × h × 1/2 × 7 = 35

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h = 35/14

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The height of the triangular cross section is 2.5 cm.

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Step-by-step explanation:

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I have to determine the length please show me the steps
iogann1982 [59]

Answer:

c = 11.03 m

Step-by-step explanation:

In this given <em>right isoceles triangle</em>, one of the sides are labeled as 7.8 m. We'll label this side as "a."  

The length of side "a" is congruent to the other side. Therefore, the measurement of the other side is also 7.8 m.

We can use the Pythagorean Theorem to solve for the measurement of the hypotenuse, side "c."

According to the Pythagorean Theorem: c^{2} =  a^{2} + a^{2}.

We'll plug in the values for side "a" and side "b" into the formula:

c^{2} =  a^{2} + a^{2}

c^{2} =  2a^{2}

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c^{2} =  121.68 m^{2}

To calculate the value of "c," we must take the squared root of 2a^{2}:

\sqrt{c^{2}}  = \sqrt{121.68}

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