Need math 40 i have no idea what im doing and i have this huge project due tonight pls . these are the questions i found the area already but i dont know how to use sines
14. find the area of δetz by adding the areas of δezg, δegh, and δeht. 115,196 ft^2
15. find the area of δetz by using ez, zt, and sinz.
16. find the area of δezt by using zt, et, and sin t.
17. find the area of δezt by using ez, et, and sin e.
18. by how many square feet do your largest and smallest measurements from #14-17 differ?
take that difference and divide it by the smallest area you found, then multiply by 100. this is the percentage of error in the calculations. do you think this error is a big deal?

14. 741.7

15. 1,261.7

16. 797

17. 1,284.5

percentage of error is 5.4

so it is not a big deal

i don't even know man. edge inuity be messing with us. i had to ask a question too.

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc