tatersmidgeow858r
tatersmidgeow858r
24-03-2018
Mathematics
contestada
Need help in solving for x.
Respuesta :
shiehk
shiehk
24-03-2018
this may not be a good explanation but
because AB is 36 then AD will be 18
so,
AC-AD=x
substitute
42-18=x
24=x
Answer Link
Аноним
Аноним
24-03-2018
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Angle Bisector Theorem
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*Assuming BD bisects ∠ABC
[tex] \dfrac{AD}{DC} = \dfrac{AB}{BC} [/tex]
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Fid the ratio
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[tex] \dfrac{AD}{DC} = \dfrac{36}{27} [/tex]
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Simplify
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[tex] \dfrac{AD}{DC} = \dfrac{4}{3} [/tex]
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Given ratio, find CD
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Ratio of AD : DC = 4 : 3
Given that AC = 42 cm
7 shares = 42 cm
1 share = 42 ÷ 7
1 share = 6 cm
3 shares = 6 x 3
3 shares = 18cm
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Answer: x = 18 cm
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Answer Link
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