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Alinara [238K]
3 years ago
12

The top piece from a model of city hall is shown below.

Mathematics
2 answers:
tiny-mole [99]3 years ago
6 0

Answer:

896mm over 2

Step-by-step explanation:

alexandr402 [8]3 years ago
4 0

Answer:

The area that she painted = 896 mm^2

Step-by-step explanation:

Given:

The given figure is a pyramid with square base.

Here we need to find the surface area of the figure that need to be painted.

Surface area of a square pyramid = (S×S) + 2×S×L square.units

Where, S = side of the base L = slant height of the pyramid.

Now we have to plug in the given values.

Here S = 14, L =25

Plug in these values into the formula

= (14*14) + 2*14*25

= 196 + 700

= 896 mm^2

The area that she painted = 896 mm^2

Hope this will helpful.

Thank you.

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zhuklara [117]

we know that

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that means

substitute the given values

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part b)

We know that

Supplementary angles are angles that their sum is equal to 180 degrees

so

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substitute the given values

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maks197457 [2]

Answer:

Isosceles and obtuse

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<u>It is a </u>Isosceles triangle because two of the sides have the same lengths 41 degrees and 41 degrees

<u>It is an</u> obtuse triangle because it has on obtuse angle which is 98 and two acute angles that are 41 degrees

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spayn [35]

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-2 b + 4 + 4 b - 7

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