91Ó°ÊÓ

In Exercises \(17-24,\) sketch the figure described. plane \(\mathrm{C}\) and plane \(\mathrm{D}\) intersecting at \(\mathrm{XY}\)

In Exercises \(23-30,\) Ind the distance between the two points. (See Example \(4 . )\) $$ \mathrm{E}(3,7) \text { and } \mathrm{F}(6,5) $$

Describe and correct the error in Finding the perimeter or area of the polygon. \(P \quad 2^{l}+2 w\) \(2(4)+2(3)\) \(14\) The perimeter is 14 units

In Exercises \(23-30,\) Ind the distance between the two points. (See Example \(4 . )\) $$ \mathrm{G}(-5,4) \text { and } \mathrm{H}(2,6) $$

The arm of a crossing gate moves \(42^{\circ}\) from a vertical position. How many more degrees does the arm have to move so that it is horizontal? A. \(42^{\circ}\) B. \(138^{\circ}\) C. \(48^{\circ}\) D. \(90^{\circ}\)

In Exercises \(23-30,\) Ind the distance between the two points. (See Example \(4 . )\) $$ J(-8,0) \text { and } K(1,4) $$

The foul lines of a baseball Field intersect at home plate to form a right angle. A batter hits a fair ball such that the path of the baseball forms an angle of \(27^{\circ}\) with the third base foul line. What is the measure of the angle between the first base foul line and the path of the baseball?

In Exercises \(23-30,\) Ind the distance between the two points. (See Example \(4 . )\) $$ \mathrm{L}(7,-1) \text { and } \mathrm{M}(-2,4) $$

In Exercises \(23-30,\) Ind the distance between the two points. (See Example \(4 . )\) $$ \mathrm{R}(0,1) \text { and } \mathrm{S}(6,3.5) $$

Construct a linear pair where one angle measure is \(115^{\circ} .\)