Use special right triangles to solve for the exact value of x.

a. 4

b. 9

c. 16

Find the measure of the angle indicated in bold

Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m

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