Question

K.

等腰梯形ABCD中，AD//BC,AB=CD=5,AD=7,BC=8, 角ABD=角PCB則BP：PD=

DG
PEFCMGFD (A)
EF = 6F = FL = FD: EL L
5AF = 8 DP = =
a
305 = 29:13
39+25 :
=8
5
3y = 8
-24=15
AR DF = &:5
AE = 8=3=8
-64·40=8.5 1= 8 = 5
10. 如下圖,在等腰梯形ABCD中,AD/IBC,
AB=CD=5 BLAD=7BC=8,
3
* <ABD= <PCB › | BP : PD = 456.25
77
D
5
P
B
8
ADPENA BPL
C
A ABD ~
A
5 AB = PL = BD÷1
55r
PLXBD=0
BD XP B² 5 Q
PL=5PB
PL₁ = PB = Sr² 7r
7-7X
57 ×

Answer 1

樹

算式