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Sagot :
Answer:
- B. BD = 67
Step-by-step explanation:
ABCD is a square.
BD and AC are diagonals and they have equal length.
We have AC = 7x + 18 and BD = 10x - 3
Since AC = BD, we substitute their values and solve for x:
- 7x + 18 = 10x - 3
- 10x - 7x = 18 + 3
- 3x = 21
- x = 21/3
- x = 7
Then find the length of BD:
- BD = 7x + 18 = 7*7 + 18 = 49 + 18 = 67
Correct option is B. BD = 67
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