Α α
7
7
25
25
24
24
C
C
B
B
A
A
Find
cos
⁡
(
α
)
cos(α)cosine, left parenthesis, alpha, right parenthesis in the triangle.

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5