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∆FEB ~ ∆ REF ~ ∆RFB. Complete the proportion. FE FE. ER = EB. ∆FEB ~ ∆ REF ~ ∆RFB. Complete the proportion. FR FR. ER = RB. - PowerPoint PPT Presentation
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∆FEB ~ ∆REF ~ ∆RFB. Complete the proportion.
ER = EB FE FE
∆FEB ~ ∆REF ~ ∆RFB. Complete the proportion.
ER = RB FR FR
∆FEB ~ ∆REF ~ ∆RFB. Complete the proportion.
BF = BR EF FR
BF = BR BE BF
∆FEB ~ ∆REF ~ ∆RFB. Complete the proportion.
EF = BE ER EF
EF = BE FR BF
∆FEB ~ ∆REF ~ ∆RFB. Complete the proportion.
BE = BR BF BF
Find the value of x & y. 40 = 45 60 x
40x = 2700 x = 67.5
y
55x
4540
60
40 = 55 100 y
40y = 5500 x = 137.5
Find the value of x & y. 12 = 18 48 x
12x = 864 x = 72
y18
x
12
48
60
12 = y 60 60
12y = 720 x = 12
∆EAT ~ ∆YUM. Find the value of x.
A E
T
18
20Y U
M6x – 3 5x
– 1
3x + 4
18 = 20 5x – 1 3x + 4
100x – 20 = 54x + 72 46x = 92 x = 2
∆ABC ~ ∆______ by _______
90 = 100 . 135 150
13,500 = 13,500 √
B
CA 150100
E
D
13590
AED SAS~
∆ABC ~ ∆______ by _______
B
CA
E
DAED AA~
∆ABC ~ ∆______ by _______
15 = 12 . 22.5 18
270 = 270 √
B C
A
15
14
12
E F
D2218
22.5
15 = 14 . 22.5 22
330 ≠ 315 NOT ~
B C
AD
∆ABC ~ ∆______ ~ ∆ _______
ADB BDC
A = 50 C = _____ ABD = ______ CBD = _____
B C
AD
40 40 50
M
L
W I
WIM = 43 LIM = _____ W = ______ L = _____
47 47 43
M
L
W I
∆WIM ~ ∆______ ~ ∆ _______
WLI ILM
∆RVY ~ ∆______ ~ ∆ _______
Y R
V E
RYE YVE
Y R
V E
VYE = 31 EYR = _____ V = ______ R = _____
59 59 31
A model house is built with a scale of 1’ = 30’. If the width of the model is 7.5’, how wide is the house?
1 = 7.5 . 30 w w = 225’
A model house is built with a scale of 1’ = 30’. If the length of the house is 128’, how long is the model?
1 = L . 30 128 30L = 128 L = 4.27’
A building that is 73’ tall has a 54.75’ shadow. How long is the shadow of a nearby man who is 6 ½’ tall?
73 = 6.5 . 54.75 x 73x = 355.875 x = 4.875’
A 16’tall bulldozer has a 20’ shadow. How tall is the tractor if its shadow is 28’ long?
16 = x . 20 28 20x = 448 x = 22.4’
∆BAD ~ ∆______ ~ ∆ _______
YA
B D
YBD YAB
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