Answer:
A = 4.7
Step-by-step explanation:
To find the missing leg, use this formula:

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The surface area for the square pyramid is A= 416.23
Use 0 as the y value then solve for x. answer: 3
Answer: (4, 3)
Step-by-step explanation:
The formula for coordinate of the mid point is given as :
Mid point = (
,
)
= 9
= -1
= 9
= -3
Substituting the values into the formula , we have :
Mid-point = (
,
)
Mid-point = (
,
)
Mid - point = ( 4 , 3)