Answer:
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A spinner is divided into 10 equal parts and numbered from 1 through 10. What is the probability of spinning a number less than
1 answer:
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Answer:
C
Step-by-step explanation:
The diagonal of the square creates 2 right triangles with the diagonal as the hypotenuse.
Using Pythagoras' identity in either of the right triangles.
The square on the hypotenuse is equal to the sum of the squares of the other 2 sides.
Let x be the side of the square, then
x² + x² = 40², that is
2x² = 1600 ( divide both sides by 2 )
x² = 800 ( take the square root of both sides )
x =
=
= = 10
= 10 ×
= 10 × 2 = 20
→ C
