Answer:
20 cm
Step-by-step explanation:
Assuming that the side lengths you've written are the only side lengths of the shape, meaning it would be a trapezoid, all you do is add them up together.
3 + 5 + 5 + 7 = 20
The correct answer is 720 I did this problem long time ago hope this helps :)
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I hope this helps.=)
Tags: <em>sine sin common angles trig trigonometry </em>
Im so sorry but i am not into that:(
I’m pretty sure it’s c) I’m sorry if it’s wrong :)