Mathematics
In the given diagram, △ ABC and △ DEF (not drawn to scale) are such that ∠C = ∠F and , then 1. △ ABC ~ △ DEF 2. △ BCA ~ △ DEF 3. △ CAB ~ △ DEF 4. the similarity of given triangles cannot be determined.
Related Questions
Which of the following lines cut the positive x-axis and positive y-axis at equal distances form the origin?
3x + 3y = 6
5x + 10y = 10
-x + y = 1
10x + 5y = 5
In the given diagram (not draw to scale), railway stations A, B, C, P and Q are connected by straight tracks. Track PQ is parallel to BC. The time taken by a train travelling at 90 km/hr to reach B from A by the shortest route is :
8 minutes
12 minutes
16.8 minutes
20 minutes

In the adjoining diagram, ST is not parallel to PQ. The necessary and sufficient conditions for △ PQR ~ △ TSR is :
∠PQR = ∠STR
∠QPR = ∠TSR
∠PQR = ∠TSR
∠PRQ = ∠RST

The scale factor of a picture and the actual height of Sonia is 20 cm : 1.6 m. If her height in the picture is 18 cm, then her actual height is :
14.4 m
2.25 m
1.78 m
1.44 m