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
If ΔABC ~ ΔPQR, \(\frac{ar ΔABC}{ar ΔPQR}\) = \(\frac{9}{4}\) and AB = 18 cm, then the length of PQ is
  • 14 cm
  • 8 cm
  • 10 cm
  • 12 cm
In the given figure DE || AC which of the following is true?
  • x = \(\frac{a+b}{ay}\)
  • y = \(\frac{ax}{a+b}\)
  • x = \(\frac{ay}{a+b}\)
  • \(\frac{x}{y}\) = \(\frac{a}{b}\)
In the given figure, ΔACB ~ ΔAPQ. If AB = 6 cm, BC = 8 cm, and PQ = 4 cm then AQ is equal to
  • 2 cm
  • 2.5 cm
  • 3 cm
  • 3.5 cm
In the given figure ΔABC ~ ΔPQR, PM is median of ΔPQR. If ar ΔABC = 289 cm², BC = 17 cm, MR = 6.5 cm then the area of ΔPQM is
  • 169 cm²
  • 13 cm²
  • 84.5 cm²
  • 144.5 cm²
In the given figure, PQ = 24 cm, QR = 26 cm ∠PAR = 90°, PA = 6 cm, and AR = 8 cm, the degree measure of ∠QPR is
  • 90°
  • 100°
  • 50°
  • 45°
In the given figure the value of x is
  • 4 cm
  • 5 cm
  • 8 cm
  • 3 cm
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