魅影直播

For the following figure, name three angles that have B as the vertex.

Suppose Pat spoke a line l joining F and T while you thought of a line n joining F and T. Is it better to say that l and n are two different lines, or to say that we have one line with two different names?

In Exercises 5-11 you will have to visualize certain lines and planes not shown in the diagram of the box. When you name a plane, name it by using four points, no three of which are collinear.

Write the postulate that assures you that $\stackrel{鈫�}{AC}$exists.

Point X is equidistant from F and T. Furthermore, point Y is equidistant from F and T. Does that mean that X and Y are equally distant from F?

Postulate 6 is sometimes stated as 鈥淭wo points determine a line.鈥�

Do three points determine a line?

Given the diagram, tell whether you can reach the conclusion shown.

$X$is the midpoint of $\stackrel{鈫�}{AC}$.

How does the area of the outer square compare with the area of the inner square?

Classify each statement as true or false.

Plane R intersects plane S in $\stackrel{鈫�}{AB}$.

In the following diagram $\stackrel{炉}{HL}$and$\stackrel{鈫�}{KT}$ intersect at the midpoint of $\stackrel{炉}{HL}$. Classify the following statement as true or false.

$\stackrel{炉}{MT}$bisects $\stackrel{炉}{LH}$.

Draw a vertical plane $Z$intersecting a horizontal$l$ line in a point $T$.