9) What is the area of a square whose diagonal is 4? A. 4
B. 8
C. 16
D. 64
E. 124

What term best describes a line ans a point that lie in the same plane

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2