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kvv77 [185]
3 years ago
7

The Pyraminx is a Rubik's cube-type toy in the shape of a tetrahedron. The Pyraminx shown below has edges 15\,\text{cm}15cm long

and vertical height h=12.2\,\text{cm}h=12.2cm. The triangle drawn with dashed lines is a right triangle. What is the distance rr? Round your answer to the nearest tenth.
Mathematics
1 answer:
Alex787 [66]3 years ago
3 0

Answer:

8.7

Step-by-step explanation:

15 squared is 225 then you subtract the square of 12.2: 148.84, then after you find that out, you find the square root of 76.16 since that's what the answer of 15 squared minus 12.2 squared, and the answer is 8.7

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Answer:

44.68

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44.6825 rounded to the nearest hundredths place is 44.68

(っ◔◡◔)っ ♥ Hope this helped, have a great day! ♥

˜”*°•.˜”*°• ~Star •°*”˜.•°*”˜

5 0
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Anyone knows the answer
vesna_86 [32]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Two less than 2 times a number is the same as the number plus 64
Schach [20]
In math for we have:
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8 0
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Find the approximate circumference of a circle with a diameter of 100 yards.
elixir [45]

Answer:

D. 314 yds

Step-by-step explanation:

Given:

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Circumference of the circle

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Circumference of circle = πd

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