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3 years ago

Find the surface area!! Geometry!! Pls help!!

Mathematics

2 answers:

lesantik [10]3 years ago

8 0

Answer::

The answer is 3037.5

Explanation::

4.5 x 7.5 x 6 x 15 = 3037.5

Brut [27]3 years ago

6 0

Answer:

319.5in

Step-by-step explanation:

First lets calculate the area of all the rectangles

2(6in * 15in) = 180in

The 2 is because there are two rectangles with the dimensions of 6in and 15in.

7.5in * 15in = 112.5in

112.5in + 180in = 292.5

Next lets calculate the area of the triangles.

4.5in * 6in / 2 = 13.5in

13.5 + 13.5 = 27in

292.5in + 27in = 319.5in

hope this helps!

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Answer:

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Step-by-step explanation:

Angle between a tangent and radius is right, that is

∠ EBH = 90° and so Δ EBH is right

Using Pythagoras' identity in the right triangle

EH² = BE² + BH² = 5² + 12² = 25 + 144 = 169 ( square root both sides )

EH = $\sqrt{169}$ = 13

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