
is given that
AB = AC
∠C = ∠B (Angles opposite to equal sides are also equal)
In ∆ABC,
∠A + ∠B + ∠C = 180º (Angle sum property of a triangle)
90º + ∠B + ∠C = 180º
90º + ∠B + ∠B = 180º
2B = 90º
∠B = 45º
B = C = 45º
Section | Number of girls per thousand boys |
|---|---|
Scheduled Caste (SC) | 940 |
Scheduled Tribe (ST) | 970 |
Non-SC/ST | 920 |
Backward districts | 950 |
Non-backward districts | 920 |
Rural | 930 |
Urban | 910 |
(i) Represent the information above by a bar graph.
(ii) In the classroom discuss what conclusions can be arrived at from the graph.
