Geometry, Algebra and Number system form the major chunk of our QA section for CAT.
Proficiency in these three sections would definitely boost our Quants scores.
Contents of Geometry
1. Plane Geometry - Basics and Triangles
2. Polygons and Quadrilaterals
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consider these connected to each other, And a ball is above in the center,
now the ball center from earth above earth is radius of any ball.
now the centers of 3 balls makes the equilateral triangle.
try to imagine a...
In a cyclic quadrilateral ABCD the ratio of the diagonals equals the ratio of the sums of products of the sides that share the diagonals' end points. In other words,
(1) AC / BD = (ABAD + BCCD) / (ABBC + ADCD).
Triangles PAD and PB...
I have a geometry Q which I'm stuck with. Please post the solution if u are able to solve it.
Q) In a cyclic quadrilateral ABCD, AB = 2, BC = 3, CD = 4 and AD = 5. What is the ratio of the lengths of the diagonals?
C and D are points on the circle with diameter AB such that (angle AQB) =2*(angle COD), where O the center of the circle. Q is the point of intersection of AC and DB inside the circle.The tangents at C and D meet at P. The circle has radius 1. T...
Since there are 3 edges leading from each city and also the figure is perfectly symmetrical, these 3 routes are possible from each edge.
So,total number of routes = 4 * 3 = 12.
ps : one more ceo from Delhi
Originally Posted by quantphobic
If x, y, z are the angles of the triangle ABC, where x, y, z are integers, then what isthe number of values that x - y - z can take?
x-y-z = 180-2(y+z)
y+z -> 2 to 179
So, 178 values...
I am getting 13 as the answer..that too by calculating manually all the routes.Is there any sho...
Please provide me with a solution.....
The possible triplets are - (17,13,150),(34,26,120),(51,39,90),(68,52,60),(85,65,30).
Only last 2 satisfy the acute angled tr. criteria...so you have ur answer.