Activity 2: Median of a trapezoid
Using trapezoid LIKE with median ̅
̅̅̅, find the indicated base/median.
1. If LI = 23 and EK = 36, find NO.
2. If LI= 15.5 and EK = 22.5, find NO.
3. If NO = 19 and LI = 13, find EK.
4. If NO = 21.5 and EK = 28, find LI.
5. If LI = 3x + 8, EK = 6x + 4 and NO = 24, find LI and EK.
Answers & Comments
1.NO= 29.5
= 1/2(23+36)
= 1/2(59)
=29.5
2.NO= 19
= 1/2(15.5+22.5)
= 1/2(38)
=19
3.EK= 16
= 1/2(19+13)
= 1/2(32)
=16
4.LI= 24.75
= 1/2(21.5+28)
= 1/2(49.5)
=24.75