In the figure given alongside, diameter AB of the circle is 15 cms. The length of chord AC is 12cm and the length of chord BD is 9 cm. The area of figure ACBD in square cm is
Correct Answer : A
On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC?
The six sides of a box were made of half centimeter thick wood. The outer dimensions of the box are 21 cms. long, 11 cms. broad and 6 cms. high. If the total amount paid for painting its inner surfaces was Rs. 70, price paid per square cm. of the painting was
In the adjoining figure, chord ED is parallel to the diameter AC of the circle. If Angle CBE = 65 degree, then what is the value of DEC?