7. Here is a rectangle with some right triangles inside it.

a. Which triangles are similar to triangle ? Explain or show your reasoning.

b. The length of segment is 8 units and the length of segment is 10 units.
Find the length of segment . Explain or show your reasoning.

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Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree