Bài 1: Tính giá trị của biểu thức sau:
1 answer:
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Answer:
1) The value of is 12.
2) The length of the diagonal is 49.
Step-by-step explanation:
1) If the glass is a rectangle, then both diagonal must have the same length, that is, the following equation must be solved:
(1)
We need some algebraic handling to determine the value of :
The value of is 12.
2) If we know that , then the length of the diagonal (
) is:
The length of the diagonal is 49.