A rectangle of length 9cm and width (3x - y)cm has an area of 72 cm'. 9cm
(3x - y)cm
PQRS is a kite where PQ = 4x cm and QR = y cm.
Diagram nof drawn to scale
s
уст
RC
P Diagram not drawn to scale
4x cm
Q
The perimeter of the kite PQRS = 33cm.
Calculate the values of x and y.
+
You must show your working.
Do not use a trial and improvement method.
(5)

where is the image?

step-by-step explanation:

answer is 33

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus