Drivers of semitrucks and other large vehicles pay close attention to signs similar to the one below. these signs indicate a change in the grade or slope of the road. look at the black scalene triangle in the sign. 1. how can the third-angle theorem be applied to find all three angle measurements in the black triangle? 2. are the black triangles above congruent or similar? explain.

10

step-by-step explanation:

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

the answer is b.6

step-by-step explanation:

3 hours and 15 minutes

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