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GalinKa [24]
3 years ago
14

Help?!?!

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0
Its d as then you have more accurate measurings than the others
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alexandr402 [8]

15. is your answer. have a good day

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The following steps can be used to compute
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Which of the triangles below is not a right triangle?
Nataly [62]

Answer:

B)\ 6ft,8ft,12ft

Step-by-step explanation:

Pythagorean Theorem : In a right triangle, square of hypotenuse is equal to the sum of the squares of the other sides.

(A)\ 3cm,4cm,5cm\\5^2=25\\3^2+4^2=9+16=25\\5^2=3^2+4^2

Hence these sides represent a right triangle.

 

(B)\6ft.8ft,12ft\\12^2=144\\6^2+8^2=36+64=100\\12^2\not=6^2+8^2

Hence this does not represent a right triangle.

(C)\27cm,36cm,45cm\\45^2=2025\\27^2+36^2=729+1296=2025\\45^2=27^2+36^2

This represents a right triangle.

8 0
3 years ago
The bearing of a plane from the airport is 65.
Ulleksa [173]

Answer:

The bearing of the airport from the plane is 245°

Step-by-step explanation:

The bearing of a point from a location is given by the angle in degrees of rotation from the Northern direction of the location to the direction of the location of the point

The given bearing of the plane from the airport = 65°

Therefore, the direction of the plane from the Northern direction of the airport = 65°

From the Northern direction of the plane, the bearing of the airport = 245°

5 0
3 years ago
Find JK.
Maksim231197 [3]
<span>Solve J: 
jk</span>=<span><span><span>(12)</span><span>(2)</span></span><span>(30<span>)
<u>jk</u> = <u>720
</u>k      k 

j = <u>720
</u>      k 
<u />Solve K:
jk = (12)(2)(30)
<u>jk </u>= <u>720</u>
 j       j

k = <u>729
</u>        j<u>
</u></span></span></span>
4 0
3 years ago
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