Question

use the information given to answer the question. consider line jk. which lists the first steps in constructing a line perpendicular to line jk through point p correctly? step 1: set a compass to a length slightly longer than the distance from line jk to point p. step 2: place the compass at point p, and draw a partial circle that intersects line jk twice; label these intersections as points e and f. step 3: use the compass to measure the distance between point e and point f, and use this distance to create two circles centered at point e and point f, respectively. step 1: set a compass to a length slightly longer than the distance from line jk to point p. step 2: place the compass at point p, and draw a partial circle that intersects line jk twice; label these intersections as points e and f. step 3: set the compass to one - fourth the distance between point e and point f, and use this distance to create two circles centered at point e and point f, respectively. step 1: set a compass to a length slightly shorter than the distance from line jk to point p. step 2: place the compass at point p, and draw a partial circle that intersects line jk twice; label these intersections as points e and f. step 3: use the compass to measure the distance between point e and point f, and use this distance to create two circles centered at point e and point f, respectively. step 1: set a compass to a length slightly shorter than the distance from line jk to point p. step 2: place the compass at point p, and draw a partial circle that intersects line jk twice; label these intersections as points e and f. step 3: set the compass to a distance halfway between point e and point f, and use this distance to create two circles centered at point e and point f, respectively.

Explanation:

Step1: 确定第一步

构造过点P垂直于直线JK，第一步通常是将圆规张开到略长于点P到直线JK的距离。

Step2: 确定第二步

以点P为圆心，上述长度画一个与直线JK相交两次的部分圆，标记交点为E和F。

Step3: 确定第三步

用圆规测量E和F之间的距离，然后以E和F为圆心，该距离为半径画两个圆。

Answer:

Step 1: Set a compass to a length slightly longer than the distance from line JK to point P.
Step 2: Place the compass at point P, and draw a partial circle that intersects line JK twice; label these intersections as points E and F.
Step 3: Use the compass to measure the distance between point E and point F, and use this distance to create two circles centered at point E and point F, respectively.