In ABC,Angle B is 90 degree and BD is the perpendicular bisector of AC the ratio of areas of triangle ADB and triangle ABC is
Answers
The ratio of areas of triangle ADB and triangle ABC is .
Step-by-step explanation:
It is given that,
In ΔABC
∠B = 90°
BD is the perpendicular bisector of AC
Since BD ⊥ AC ∴ ∠BDA = ∠BDC = 90°
Now, consider ΔADB and ΔABC, we have
∠A = ∠A ..... [common angle]
AB = AB ....... [common side]
∠ADB = ∠ABC = 90° ..... [given]
∴ By ASA similarity, ΔADB ~ ΔABC
We know that the ratio of the areas of two similar triangles is equal to the ratio of the square of their corresponding sides.
∴
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In a triangle ABC, angle BAC = 90 degree and AD is perpendicular to BC . Then which one is true and why?
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In the figure , angle ABC = 90° and BD perpendicular AC . if BD = 8cm and AD =4cm , then find the value of CD .
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Answer:
1:2
Step-by-step explanation:
try solvig by using therom
area of triangle abc by area of triangle pqr =(ab)²/(pq)²
science the angle given is 90
substutute the value of carosponding sides and get the answer 1:2