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प्रश्न
Select the correct alternative answer and write it.
The ratio of corresponding sides of similar triangles is 5 : 7, then what is
the ratio of their areas ?
(A)25 : 49 (B) 49 : 25 (C) 5 : 7 (D) 7 : 5
उत्तर
(1) A
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संबंधित प्रश्न
ΔDEF ~ ΔMNK. If DE = 5, MN = 6, then find the value of `"A(ΔDEF)"/"A(ΔMNK)"`
In adjoining figure, seg PS ⊥ seg RQ, seg QT ⊥ seg PR. If RQ = 6, PS = 6 and PR = 12, then Find QT.
In the following figure, AP ⊥ BC, AD || BC, then find A(∆ABC) : A(∆BCD).
In the given figure, CB ⊥ AB, DA ⊥ AB.
if BC = 4, AD = 8 then `(A(Δ ABC))/(A(Δ ADB))` find.
Δ ABC ∼ Δ PQR. If A(Δ ABC)=25, A(ΔPQR)=16, find AB : PQ.
(A) 25:16
(B) 4:5
(C) 16:25
(D) 5:4
In the adjoining figure,
PQ ⊥ BC, AD ⊥ BC,
PQ = 4, AD = 6
Write down the following ratios.
(i)`(A(ΔPQB))/(A(ΔADB))`
(ii)`(A(ΔPBC))/(A(ΔABC))`
With the help of the information given in the figure, fill in the boxes to find AB and BC .
AB = BC (Given)
∴∠ BAC = ∠ BCA =
∴ AB = BC = × AC
= × `sqrt8`
= × `2sqrt2`
= 2
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Draw a sketch of a pair of similar triangles. Label them. Show their corresponding angles by the same signs. Show the lengths of corresponding sides by numbers in proportion.
In the following figure, state whether the triangles are similar. Give reason.
