👆🏼Solve 4x² – 25 = 0

👇🏼Michael organises his books into
groups of 32. He then organises them
into groups of 28.
What is the smallest possible number
of books that Michael has.

🖐🏼Simplify

👉🏼Simplify

AOC is an equilateral triangle of side length 14cm.

OBD is a sector of circle with centre O and radius 11cm.

👈🏼Calculate the area of the shaded region
as a percentage of the area of triangle
AOC.
Give your answer correct to 3 significant
figures.