In the given figure, ∠T and ∠B are right angles. If the length of AT, BC and AS (in centimeters) are 15, 16, and 17 respectively, then the length of TC (in centimeters) is:
  • 18
  • 16
  • 19
  • 12
In the given figure, value of x(in cm) is
  • 4
  • 5
  • 6
  • 8
In the given figure ΔABC ~ ΔPQR. The value of x is
  • 2.5 cm
  • 3.5 cm
  • 2.75 cm
  • 3 cm
In ΔABC, if DE || BC, AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, then value of x is
  • 3
  • 4
  • 5
  • 3.5
The perimeters of two similar triangles ABC and PQR are 60 cm and 36 cm respectively. If PQ = 9 cm, then AB equals
  • 6 cm
  • 10 cm
  • 15 cm
  • 24 cm
If ΔABC is similar to ΔDEF such that 2 AB = DE and BC = 8 cm then EF is equal to.
  • 12 cm
  • 4 cm
  • 16 cm
  • 8 c
In ΔABC, AB = 6 cm and DE || BC such that AE = \(\frac{1}{4}\) AC then the length of AD is
  • 2 cm
  • 1.2 cm
  • 1.5 cm
  • 4 cm
ΔABC ~ ΔDEF. If AB = 4 cm, BC = 3.5 cm, CA = 2.5 cm and DF = 7.5 cm, then the perimeter of ΔDEF is
  • 10 cm
  • 14 cm
  • 30 cm
  • 25 cm
In the figure PQ || BC. If \(\frac{PQ}{BC}\)= \(\frac{2}{5}\) then \(\frac{AP}{PB}\) is
  • \(\frac{2}{5}\)
  • \(\frac{2}{3}\)
  • \(\frac{3}{5}\)
ΔDEF ~ ΔABC. If DE : AB = 2 : 3 and ar ΔDEF is equal to 44 square units then ar (ΔABC) (square unit) is
  • 99
  • 120
  • 66
  • \(\frac{176}{9}\)
ΔABC and ΔBDE are two equilateral triangles such that D is the mid point of BC. Ratio of the areas of triangle ΔABC and ΔBDE is.
  • 2 : 1
  • 1 : 2
  • 4 : 1
  • 1 : 4
If the ratio of the perimeters of two similar triangles is 4 : 25, then the ratio of the areas of the similar triangles is
  • 16 : 625
  • 2 : 5
  • 5 : 2
  • 625 : 16
ΔPQR is an equilateral triangle with each side of length 2p. If PS ⊥ QR, then PS is equal to
  • \(\frac{√3}{2}\)p
  • 2p
  • √3p
  • p
In ΔLMN, ∠L = 50° and ∠N = 60°, If ΔLMN ~ ΔPQR, then find ∠Q
  • 50°
  • 70°
  • 60°
  • 40°
If $ \Delta ABC  \sim  \Delta DEF$, then $ \angle F$ is equal
class10-maths-triangles-mcq-1.png
  • None of the above
  • 60°
  • 80°
  • 40°
Which is of these triplet is not a right angle triangle?
  • 13, 12 ,5
  • 3 ,8,6
  • 6, 8,10
  • 6.5,2.5,6
Neeraj goes 10 m due East and then 30 m due North. The distance of Neeraj from the starting point is
  • 40 m
  • 31.62 m
  • 32 m
  • None of the above
In  $ \Delta ABC$ , AB = 24 cm, BC = 10 cm and AC = 26 cm.  The angle  $\angle B$ is
  • 90°
  • 45°
  • None of the above
  • 60°
If in two triangles DEF and PQR,  $\angle D =  \angle Q$ and $ \angle R = \angle E$, then which of the following is not true?
  • EF/DE= RP /QR
  • EF/DF= PR/PQ
  • DE/DF= QR/PQ
  • DE/EF= PQ/RP
A Ladder 13 m long reaches a window which is 12 m above the ground on one side of a street. Keeping its foot  at the same point, the ladder is turned to other side of the street to reach a window 5 m high . The width of the street is
  • 17 m
  • 18 m
  • None of the above
  • 15 m
0 h : 0 m : 1 s

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