4 x 7= 28
BTW no calculator. Did it in my head. Hope this helps!
1) Tanθ= opposite/adjacent
θ=Tan-1(9/7)
θ=52.125 = 52 degrees
2) Cosθ= adjacent/hypothesis
θ=Cos-1(5/12)
θ=65.376 = 65 degrees
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Answer: Length could be 5 and width 2
Explanation:
Perimeter = 2l + 2w = 2x5 + 2x2 = 14 units