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serious [3.7K]
3 years ago
15

Find the missing length of the following trapezoid

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer:

1) The length of DC is 20.

2) The length of PS is 17.

Step-by-step explanation:

1) If DR = RE and CS = SB, then we can use the following proportionality ratio:

\frac{DE}{DR} = \frac{32 - x}{26 - x} (1)

Where x is the length of segment \overline{CD}.

If DE = 2\cdot DR, then the value of x is:

2 = \frac{32-x}{26-x}

52 - 2\cdot x = 32 - x

20 = x

The length of DC is 20.

2) If QV = VP and RW = WS, then we can use the following proportionality ratio:

\frac{QP}{QV} =  \frac{x-7}{12-7} (2)

Where x is the length of segment \overline{PS}.

If QP = 2\cdot QV, then the value of x is:

2 = \frac{x-7}{5}

10 = x-7

x = 17

The length of PS is 17.

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