Skip over navigation
Search by Topic
|
Tech Help
|
Thesaurus
Home
For Students
For Teachers
Past Issues
About Us
Register
Ask NRICH
News
Shop
Help
CPD
Contact Us
This month:
Stage 1&2
Stage 2&3
Stage 3&4
Stage 5
Similarly So
Problem
|
Hint
|
Solution
|
Printable page
|
Stage: 4 Challenge Level:
ABCD is a square.
P is the midpoint of AB and is joined to C.
A line from D perpendicular to PC meets the line at the point Q.
Prove AQ = AD.
search engine page
Number theory
.
Rectangles
.
Circle theorems
.
Inequality/inequalities
.
Perpendicular lines
.
Parallelograms
.
Parallel lines
.
Squares
.
Manipulating algebraic expressions/formulae
.
Mathematical reasoning & proof
.
Published May 2002.
Report problem with this page
Download Mathematical Fonts for better quality.