Mathematics
The lengths of the sides of triangle P are 3, 4 and 5 units. Another triangle Q, which is similar to P, has one side of length 60 units, what is the smallest possible perimeter of triangle Q?
120 units
144 units
180 units
240 units
Related Questions
In the given figure, ∠CAB = 90° and AD ⟂ BC. If AC = 75 cm, AB = 1 m and BC = 1.25 m, then AD equals:
50 cm
60 cm
65 cm
70 cm
A street lamp is fixed on a lamp-post at a height of 3.3 m from the ground. A boy 110 cm tall walks away from the base of this lamp post at a speed of 0.8 m/s. The length of the shadow of the boy after 4 seconds is:
1.1 m
1.6 m
2.1 m
2.6 m
In the given figure, D, E and F are the mid-points of the sides BC, AC and AB respectively of ΔABC. Then which of the following does not hold true?
ΔAFE ∼ ΔABC
ΔFBD ∼ ΔABC
ΔEDC ∼ ΔABC
ΔDFE ∼ ΔABC
