ICSE − Q & A

can anyone give me tips on handling the compass.. cause every time i try to choose a radius say 2.5cm it somehow comes out as a 2.4 cm radius. plss help.

Extremely tricky ques:-
Prove:
(sin²A-sin²A)/(sin²A-sin²A)=2

Can we draw diagrams in geometry questions with pen??

+ 2 more questions by akhooda  

Is it better to go through the whole book or practice using papers(prelims)??
asked by Anurag Hooda (akhooda) 8 years ago
4

Without solving comment upon the nature of roots: x^2 - ax -b^2 = 0
asked by Anurag Hooda (akhooda) 8 years ago
1

It is an odd question to ask, but when is school starting for you guys?
In my school it is the 24th of April......

Can we write short forms(like ASP for angle sum property)?
And is it necessary to mention the details of the questions in the answer?

Three circles with centres A, B and C touch each other externally. If AB = 5cm, BC = 7cm and AC = 6 cm, find the radii of the three circles.

The line joining  P(-4,5) and Q(3,2) intersects the y axis at R.
PM and QX are perpendiculars from P and Q on the x axis Find:
i)The Ratio of PR:RQ
ii)The coordinates of R
iii) The area of quadrilateral PMNQ
Can any1 send the soln. ASAP??

http://www.respaper.com/hhhhhhhp/4624-pdf.html# is the answer for 3c) 8.6cm??

Prove that:
1) 3-4sin^2/cos^2 = 3-tan^2
2) if sin + sin^2=1..prove that : cos^2+cos^4=1

Isn't english compulsory in %?
Some idiot @imran97 is bothering me by saying that a guy in his school got 99.4% last year ( YEAH LIKE WTF - TOPPER GOT 99.2%)  and he dropped english. Why do people like these even want to show their smartness?