A circle has circumference $10 π$ cm. What is the area of a sector of this circle with angle $7 2^{\circ}$ ?

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A right-angled triangle has hypotenuse $26$ cm and one other side $10$ cm. What is its area?
In triangle $A B C$ , $A B = 7$ cm, $A C = 8$ cm and angle $A = 6 0^{\circ}$ . What is $B C^{2}$ ?
The point $A$ is $(1, 2)$ and $B$ is $(7, 10)$ . What is the length of $A B$ ?
Triangles $A B C$ and $P QR$ are similar with $A B = 6$ cm corresponding to $P Q = 9$ cm. The area of $A B C$ is $20 cm^{2}$ . What is the area of…
Line $L_{1}$ has equation $y = 3 x - 2$ . Line $L_{2}$ is perpendicular to $L_{1}$ and passes through $(6, 1)$ . Where does $L_{2}$ cross the $y$ -axis?
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