In Fig. `68 ,` `A B C D\ a n d\ /_1\ a n d\ /_2` are in the ratio `3: 2.` Determine all angles from `1\ to8.`

In Fig.50m||n and angles 1 and 2 are in the ratio 3:2. Determine all the angles from 1 to 8.

In Figure,m| |n AND ANGLES 1 and 2 are in the ratio 3:2* Determine all the angles from 1rarr8

In Fig. 71, if A B C D\ a n d\ C D E F ,\ find \ /_A C E

If the ratio between ages of P a n d Q is 2:3 and that between the ages of Q a n d R is 4:5, then the ratio between the ages of P a n d R is 3:4 b. 3:5 c. 5:6 d. 8: 15

B D is one of the diagonals of a quadrilateral A B C Ddot\ \ A M\ a n d\ C N are the perpendiculars from A\ a n d\ C , respectively, on B Ddot Show That a r\ (q u a ddotA B C D)=1/2B Ddot(A M+C N)

In a A B C , D a n d E are points on the sides A B and A C respectively. For each of the following cases show that D E B C : A B=12 c m , A D=8 c m , A E=12 c m a n d A C=18 c m . (ii) A B=5. 6 c m , A D=1. 4 c m , A C=7. 2 c m a n d A E=1. 8 cm

The angles A, B,C, D of a quadrilateral ABCD are in the ratio 1:2:4:5. What is sec^(2)D - tan^(2)D equal to?

A ,\ B\ a n d\ C can reap a field in 15 3/4 days : B ,\ C\ a n d\ D in 14 days: C ,\ D\ a n d\ A in 18 days: D ,\ A\ a n d\ B in 21 days. In what time can A ,\ B ,\ C\ a n d\ D together reap it?

A B C D is a trapezium with parallel sides A B=a\ a n d\ D C=bdot If E\ a n d\ F are mid-points of non-parallel sides A D\ a n d\ B C respectively, then the ratio of areas of quadrilaterals A B F E\ a n d\ E F C D is: a : b (b) (a+3b):(3a+b) (3a+b):(a+3b) (d) (3a+b):(3a+b)

In a parallelogram A B C D diagonals A C\ a n d\ B D intersect at O\ a n d\ A C=6. 8\ c m\ a n d\ B D=5. 6 c m . Find the measures of O C\ a n d\ O D .