Answer:
273.2
Step-by-step explanation:
Surface area of the pyramid=Area of square+4*area of triangle
Surface area of the pyramid=10^2+2*(8.66)*10
Surface area of the pyramid=100+173.2=273.2
Option A
Explanation:
Given that Crisply clover is a popular vegetarian restaurant.
It introduced a new menu
The new menu had 20% more dishes than the previous menu
Let the dish as per previous menu = D
Now added for new dish 20% = (20/100)D
Simplify to get 1/5 D
Hence new menu has = D+(20/100)D
= D+1/5 D
Thus we find that option A is the right answer,
.Start: 48 cookies
Son ate ¼ = 12
36 cookies remain at this point.
Husband ate one sixth ; that's 6 cookies for him, 30 remain.
The answer is A.
I know because sqrt(8) is between 2 and 3.
