Given that the lengths of the two right angles of a right triangle are 5 and 12 respectively, find the height of the hypotenuse and the hypotenuse (Pythagorean theorem)

From Pythagorean theorem
The hypotenuse is √ (5? 2 + 12? 2) = 13
The area of the triangle is 5 × 12 △ 2 = 30
And the area is also equal to the slope × the height on the slope △ 2 = 30
So the height on the hypotenuse = 30 × 2 △ 13 = 60 / 13
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Pythagorean theorem: if the two right sides of a right triangle are distinguished as a, B, and the hypotenuse is C, then___ Of the two right sides of a right triangle_ Equal to hypotenuse In ancient China, the shorter right side of a right triangle was called The longer right side is called The bevel is called_ Therefore, the above conclusion is conventionally called____ . There was no class today. The teacher told us to do our homework, so I couldn't understand it

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2ba；
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Verification: Fe = KCB
Is that ok? If so, I'll show you, OK?

Given that the long side of a right triangle is 30cm and the angle between the hypotenuse and the long side is 20 degrees, the length of the short side is calculated

“gongjin2001”：
Can you use function? Tangent = opposite / adjacent edge, TG3 ° = 0.05241 (look up table or use computer)
0.05241 = opposite side / 130cm
Opposite side = 130cm × 0.05241 = 6.8133cm
A: short side length: 816 cm
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Given that the lengths of the two right angles of a right triangle are 5 and 12 respectively, find the height of the hypotenuse and the hypotenuse (Pythagorean theorem)