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Illusion [34]
3 years ago
13

5. 12.8 ft 9 ft 9 ft

Mathematics
2 answers:
user100 [1]3 years ago
7 0

Answer:

9 x 9 = <em>81</em>

9 x 12.8 x 1/2 (basically just dividing by 2) = 57.6(area of 1 triangle),                     57.6 x 4(there are 4 sides of triangles) = <em>230.4</em>

Let's add all the given areas:

81 + 230.4 = 311.4 ft^2

kykrilka [37]3 years ago
3 0

Answer:

what do we have to solve? surface area? volume?

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Answer:

a=-6

Step-by-step explanation:

2(3-a)=18

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7 0
3 years ago
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Answer

There 6 parts to every triangle: 3 sides and 3 angles. If you show congruency, using any of the 3 facts above, you can conclude that the other 3 parts of the triangle are congruent as well as the three that you have.

Geometry is built on that wonderfully simple premise and it is your introduction to what makes a proof. So it's important that you understand how proving parts of congruent triangles work.

5 0
3 years ago
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Answer:

Step-by-step explanation:

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galina1969 [7]

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3 0
3 years ago
Please help with number one!! thx
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5032.34
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