HEREDITY
BACKCROSS OR TESTCROSS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Can the sides of a triangle have lengths 3, 4, and 9?
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Yes
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No
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I don’t know
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Cannot be determined
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Explanation:
Detailed explanation-1: -Is not possible to build a triangle with side lengths of 3, 3, and 9.
Detailed explanation-2: -Since, , 3 in., 4 in., 8 in. do not form a triangle. SOLUTION: The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
Detailed explanation-3: -(i) No. It is not possible to construct a triangle with lengths of its sides 5cm, 4cm and 9cm because the sum of two sides is not greater than the third side i.e. 5 + 4 is not greater than 9. (ii) Yes.
There is 1 question to complete.