exam Maths Puzzle Numerical Ability

To whom may it concern,

PQR and SQR are both triangles. In fact, SQR located within PQR. Given that RS = 9 cm and PQ = 3 cm.What is the area of PQR ?

Please help and thank you in anticipation.

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exam Other Question
The length of a a rectangle is twice as long as the width. The perimeter of the rectangle is 72 in. What are the length and width of this rectangle. Can someone help me on this equation?

I need to complete the order pair so that each is a solution for the given equation:

3x + 4y = 12

pair 1 is (8/3,)
pair 2 is (0,)

Thanks,
Sher