CAIE IGCSE Mathematics Extended E5.2 Area a…meter

Covered syllabus points

[Maximum number: 3]

The diagram shows a right-angled triangle ABC.

The area of the triangle is $60 \mathrm{~cm}^{2}$ .

Show that $2 x^{2}+11 x-105=0$ .

$\frac{(x+3)(2x+5)}2=60$ $2x^2+6x+5x+15$ $2x^2+11x-105=0$

[Maximum number: 1]

The total of the areas of rectangles A and B is $20\,\mathrm{cm}^2$ .

Find the perimeter of rectangle B.
cm

5.77 or 5.773 to 5.774
FT dependent on $2(\text{positive }x+1)$

[Maximum number: 3]

This rectangle has perimeter 20 cm.
Find the value of x.

All question bank results loaded