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AlladinOne [14]
4 years ago
9

Ef is a median of isosceles trapezoid abcd the length of ab is 12 and the length of cd is 18 what is the length of de

Mathematics
1 answer:
Taya2010 [7]4 years ago
5 0
The median line is always parallel to the bases. The length of the median is the average length of the bases, or using the formula:
\dfrac{base_1+base_2}{2}.
Hence, 
EF= \dfrac{12+18}{2}=15
Answer: EF=15 units.

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4 0
2 years ago
Six less than twice what number is 48?
weeeeeb [17]

Answer:

27

Step-by-step explanation:

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4 0
4 years ago
2
Sonja [21]
2(i).
(3y-20)+(4x-5)+(x+y-10)+(2x+5)=360 (Angles sum of it trapezium)
3y-20+4x-5+x+y-10+2x+5=360
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(Shown)

2(ii).
(3y-20)+(2x+5)=180 (Interior Angles, Parallel Lines)
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(Shown)

Hope it helps : )
3 0
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