Trong mặt phẳng toạ độ Oxy, cho tam giác ABC với A(-1;2), B(3;2), C(1;4.Viết phương trình đường thẳng d chứa đường cao kẻ từ đỉn
1 answer:
You might be interested in
The cost of large pizza is $24.62, a small pizza has an 8-in. diameter a large pizza has a 15-in. diameter the pizzeria charges the same price per square inch for both pizzas and the small pizza cost $7.
Step-by-step explanation:
The given is,
A small pizza has an 8-inches in diameter
A large pizza has a 15-inches in Diameter
The small pizza cost $7
Step:1
Area of smaller pizza,
...................................(1)
Where, r - Radius of small pizza
From given,
r = 4 inches
Equation (1),
( ∵
=3.14 )
Square inches
Step:2
Area of smaller pizza,
...................................(1)
Where, r - Radius of small pizza
From given,
r = 7.5 inches
Equation (1),
( ∵
=3.14 )
Square inches
Step:3
Cost of pizza per square meter,
= $ 0.1393 per square meter
×
= $24.62
Result:
The cost of large pizza is $24.62, a small pizza has an 8-in. diameter a large pizza has a 15-in. diameter the pizzeria charges the same price per square inch for both pizzas and the small pizza cost $7.