In fig.45, ` A B C , A B=3c m , B C=4c m\ a n d\ A C=5c mdot` name the smallest and the largest angles of the triangle.

In Figure, /_A O B=90^0,\ A C=B C ,\ O A=12\ c m\ a n d\ O C=6. 5 c mdot Find the area of A O Bdot

Triangle A B C is right angled at AdotA D is perpendicular to B Cdot If A B=5 c m , B C=13 c m and A C=12 c mdot Find the area of A B Cdot Also, find the length of A Ddot

In Figure, A B C D is a rectangle with sides A B=10 c m\ a n d\ A D=5c mdot Find the area of E F G

In a triangle, P ,\ Q\ a n d\ R are the mid-points of sides B C ,\ C A\ a n d\ A B respectively. If A C=21\ c m ,\ B C=29 c m\ a n d\ A B=30 c m , find the perimeter of the quadrilateral A R P Q

In Fig.38, A B C D\ and \ P Q R C are square such that A D=22\ c m\ a n d\ P C=y\ c mdot If the area of the shaded region is 403\ c m^2, then the value of y is (a)3 (b) 6 (c)9 (d) 10

A B\ a n d\ C D are two parallel chords of a circle with centre O such that A B=6\ c m\ a n d\ C D=12\ c mdot The chords are on the same side of the centre and the distance between them is 3 cm. The radius of the circle is 6\ c m (b) 5\ sqrt(2)\ c m (c) 7\ c m (d) 3\ sqrt(5)\ c m

In Fig. 4.177, A C B A P Q . If B C=10 c m , P Q=5c m , B A=6. 5 c m and A P=2. 8 c m find C A and A Q . Also, find the area ( A C B): a r e a ( A P Q) . (FIGURE)

Draw a triangle A B C with A B=6\ c m ,\ B C=7\ c m and C A=8\ c mdot Using ruler and compass alone, draw (i) the bisector A D\ of \ /_A and (ii) perpendicular A L from A on B Cdot Measure L A Ddot

In Fig.42, A B C D is a parallelogram in which A D=21\ c m ,\ D H=18\ c m and D K=27\ c mdot The perimeter of the parallelogram is 105 cm (b) 84.5 cm 169 cm (d) 52.5 cm

If the angles A,B and C of a triangle ABC are in an A.P with a positive common difference such that the smallest angle is one third of the largest angle, and the sides a, b and c are the sides opposite to the angles A ,B and C such that (a)/(sin A)=(b)/(sin B)=(c)/(sin C) then the ratio of the longest side to that of the shortest side will be