The length could be 5 and width 3. That would equal 15
Answer for 19 and 20:
20:
4.75 * 42 = 199.5
240 = 199.5 = 40.5
19.
Lei now has 350 less dollars.
Step-by-step explanation:
F = 18 ft.
The law of cosines states
c² = a² + b² - 2ab cos C
Using our information, we have
c² = 23² + 16² - 2(23)(16)cos 52
c² = 529 + 256 - 736cos 52
c² = 785 - 736cos 52
c² = 331.8732
Taking the square root of both sides, we have
c = √331.8732 = 18.22 ≈ 18
The answer is 522 over 1111