Answer:
express the followibg as a fraction and a rational number 10 to 12
Answer: 9 (7 + 9)
Step-by-step explanation:
63 = 9 * 7 and 81 = 9 * 9
Answer:
Step-by-step explanation:
hypotenuse = √(14.4² + 6²) = √243.36 = 15.6 mi
area of triangle = 0.5×6×14.4 = 43.2 mi²
radius of semicircle = 15.6/2 = 7.8
area of semicircle = πr² = 60.84π mi²
total area = 43.2 + 60.84π ≅ 234.33 mi²
