Question

Area of trapezoid

Answer 1

I know the answer is D

Answer 2

Its something with 45 30 90 or something that one angle on the left

Answer 3

\[\frac12\times base \times \text{(s um of p arallel sides)}\]

Answer 4

you use the 1/2h (b1+b2)

Answer 5

Yes.

Answer 6

But we have to find the value of the line adjacent with 45*/

Answer 7

Yeah how its something with 45 30 90 or something my teacher said i forgot

Answer 8

Use tan ratio to find it.

Answer 9

\[\tan \theta = \frac{opp}{adj}\]
\[\tan 45 = \frac{7}{adj}\]
\[adj = 7\]