What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?
a.) 14.8 units
b.) 15.0 units
c.) 19.7 units
d.) 24.8 units
i really suck at math haha

What is 32+4 x (16 x 1/2) -2 show your work}

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

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer