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carlo123
18.01.2021 •
Mathematics
Quick question
point A has the coordinates (4,9)
if M is the midpoint of AB and M has the coordinates of (4,5)
then what is the coodinates of B?
i will pick the brainliest answer to who gets it right
Solved
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Ответ:
B (4, 1 )
Step-by-step explanation:
Using the midpoint formula
M = (
,
)
let the coordinates of B = (x, y ), then equating x and y coordinates
4 + x = 8 ( subtract 4 from both sides )
x = 4
similarly
9 + y = 10 ( subtract 9 from both sides )
y = 1
The coordinates of B = (4, 1 )
Ответ: