पुढील संकल्पनाचित्र पूर्ण करा :
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| …… | स्वातंत्र्यपूर्व काळातील वृत्तपत्रे} | ……. |
| (डावीकडे) | (उजवीकडे) |
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| List I (Films) | List II (Directors) |
|---|---|
| (A) Birth of a Nation | (I) Steven Spielberg |
| (B) Jaws | (II) D.W. Griffith |
| (C) The Godfather | (III) Martin Scorsese |
| (D) Raging Bull | (IV) Francis Ford Coppola |
| List I (Movies) | List II (Directors) |
|---|---|
| (A) Do Bigha Zameen | (I) P.C. Barua |
| (B) Devdas | (II) Chetan Anand |
| (C) Neecha Nagar | (III) Bimal Roy |
| (D) Pyaasa | (IV) Guru Dutt |
In the following figure \(\triangle\) ABC, B-D-C and BD = 7, BC = 20, then find \(\frac{A(\triangle ABD)}{A(\triangle ABC)}\). 
The radius of a circle with centre 'P' is 10 cm. If chord AB of the circle subtends a right angle at P, find area of minor sector by using the following activity. (\(\pi = 3.14\)) 
Activity :
r = 10 cm, \(\theta\) = 90\(^\circ\), \(\pi\) = 3.14.
A(P-AXB) = \(\frac{\theta}{360} \times \boxed{\phantom{\pi r^2}}\) = \(\frac{\boxed{\phantom{90}}}{360} \times 3.14 \times 10^2\) = \(\frac{1}{4} \times \boxed{\phantom{314}}\) <br>
A(P-AXB) = \(\boxed{\phantom{78.5}}\) sq. cm.