10 A source of laser light sends rays AB and AC toward two opposite walls of a hall. The light rays
strike the walls at points B and C, as shown below:
60 m
40 m
60A 45°
Wall
Laser Source
Wall
What is the distance between the walls?
ОА.
80 m
ОВ.
140 m
O C.
70 m

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

Someone me what is the area of this figure? 18m 18m 8m 16m

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost