You want to tile your kitchen floor. The floor measures 10 ft by \( 18 \mathrm{ft} \). How many tiles, each a square with sides of \( 1 \frac{1}{2} \mathrm{ft} \), should you purchase for the job? Suggested tutorial: Leam ilt: Solve application problems involving area calculations. Need Help? Readit SUBMIT ANSWER

6. Two triangles are similar, if one side of the smaller triangle is half of the corresponding side of the larger triangle, and the perimeter of the larger triangle is 52 cm , then what is the perimeter of the smaller triangle?

8. If the ratio of the corresponding sides of two similar triangles is 35 , and the area of the smaller triangle is \( 27 \mathrm{~cm}^{2} \), then what is the area of the larger triangle? 9. If the area of two similar triangles are \( 144 \mathrm{~cm}^{2} \) and \( 720 \mathrm{~cm}^{2} \). Then find the ratio of the corresponding sides. 10. If Rectangle ABCD is similar to Rectangle EFGH, and \( \mathrm{AB}=10 \mathrm{~cm}, \mathrm{BC} \) \( =6 \mathrm{~cm} \) and \( \mathrm{FG}=18 \mathrm{~cm} \) then, what is a. The length of EF? b. The Area of Rectangle EFGH?

आकृति में \( A C=A C \) + \( A B=A D \) और \( \angle B A D \) \( \angle E A C \) है दबाईय के \( B C=D E \) है

4. A stairway 10 ft . high is such that each step accounts for half foot upward and one foot forward. What distance will an ant travel if it starts from ground level to reach the top of the stainway? A) 30 ft B) 33 ft C) 10 ft D) 29 ft

Why is understanding surface area important in real-life applications?