Want is the expression in the words 9×(8+4)
1 answer:
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Explanation:
This looks like an essay question with no right answer.
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There are two "special" right triangles:
isosceles 45°-45°-90° triangle with sides in the ratios 1 : 1 : √2
30°-60°-90° triangle with sides in the ratios 1 : √3 : 2
These side lengths give rise to the trigonometric ratios shown below for angles with 30°, 45°, or 60° as reference angles.
Check the picture below.
doesn't that make it just a 20 x 14? well, surely you know what that area is.
doesn't that make it just a 20 x 14? well, surely you know what that area is.