1) In adjoining figure AE perpendicular seg BC, seg DF perpendicular line BC,
AE = 4, DF = 6, than find
A(AABC)/A(ADBC)
Answers
Step-by-step explanation:
AE=4
DF=6
Then,
=A(triangleABC)/A(triangleDBC)
=AE/DF
=4/6
=2/3
therefore,A(ABC)/A(DBC)is 2/3.
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Given : seg AE perpendicular side BC,
seg DF perpendicular line BC
AE =4, DF= 6
To find : Ar (Δ ABC ) / Ar (Δ DBC )
Solution:
Area of triangle = (1/2) * Base * Height
Ar (Δ ABC ) = (1/2) * BC * AE
Ar (Δ DBC ) = (1/2) * BC * DF
Ar (Δ ABC ) / Ar (Δ DBC ) = (1/2) * BC * AE / (1/2) * BC * DF
=> Ar (Δ ABC ) / Ar (Δ DBC ) = AE / DF
=> Ar (Δ ABC ) / Ar (Δ DBC ) = 4 / 6
=> Ar (Δ ABC ) / Ar (Δ DBC ) = 2 / 3
Ar (Δ ABC ) / Ar (Δ DBC ) = 2 / 3
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