Solved

Use a Calculator to Find the Acute Angle Between the Planes

Question 127

Multiple Choice

Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.
-9x - 7y - 10z = -9 and- 3x + 10y - 10z = -9

A) 1.557 rad
B) 1.308 rad
C) 0.014 rad
D) 1.535 rad

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