Perpendicular from the right angle to the hypotenuse = product of legs / hypotenuse

1. A.
   4 cm
2. B.
   $2\sqrt{5}$ cm
3. C.
   $\frac{4}{\sqrt{5}}$ cm
4. D.
   8 cm

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1. A.
   5.4 cm
2. B.
   5 cm
3. C.
   4.8 cm
4. D.
   4.2 cm

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1. A.
   24
2. B.
   48
3. C.
   60
4. D.
   90

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1. A.
   $\frac{5\sqrt{11}}{3}$
2. B.
   $\frac{10\sqrt{11}}{3}$
3. C.
   $\frac{40}{\sqrt{61}}$
4. D.
   $\frac{12}{25}$

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1. A.
   4.8 cm
2. B.
   5.0 cm
3. C.
   5.2 cm
4. D.
   5.4 cm

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1. A.
   7 : 15
2. B.
   9 : 16
3. C.
   2 : 3
4. D.
   3 : 4

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1. A.
   $p/3$
2. B.
   $p/2$
3. C.
   $\sqrt{3}p/2$
4. D.
   $\sqrt{3}p/4$

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