In Triangle ABC, D & E are points on sides AB &AC respectively such that DE || BC
a) If AD = x
DB = x-2
AE = x+2
EC = x-1...find x and all the sides
b) If AD = 2.5cm
BD = 3.7cm
find AC...
Pls answer the question...its urgent...
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In Triangle ABC, D & E are points on sides AB &AC respectively such that DE || BC
a) If AD = x
DB = x-2
AE = x+2
EC = x-1...find x and all the sides
b) If AD = 2.5cm
BD = 3.7cm
find AC...
Pls answer the question...its urgent...
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Answer:
AD/DB = AE/EC
x/x- 2 = x+ 2/x - 1
x(x - 1) = x+ 2(x - 2)
x² - x = x² - 2x + 2x - 4
- x = -4
x = 4
x = AD = 4
DB = x - 2 = 4- 2= 2
AE = x +2 = 4 + 2 = 6
EC = x - 1 = 4 - 1 = 3
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