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
Two triangles are shown as below
class10-maths-triangles-mcq-3.png
  • $ \Delta ABC \sim \Delta QPR$
  • None of the above
  • $ \Delta ABC \sim \Delta RPQ$
  • $ \Delta ABC \sim \Delta PQR$
The diagonals of the rhombus are 15 cm and 36 cm long. The perimeter is
  • 78 cm
  • 68 cm
  • 102 cm
  • 80 cm
The value of x for which DE || BC is the given figure
class10-maths-triangles-mcq-2.png
  • 3.2
  • 2
  • 3
  • 2.5
The area of two similar triangles are 100 cm2 and 49 cm2 respectively. If the altitude of the smallest triangle is 3.5 cm, then the corresponding altitude of the bigger triangle is
  • 5.5 cm
  • 5 cm
  • 6 cm
  • 4.5 cm
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