Sara is drawing some triangles on the faces of cuboidal box as shown above. What is the length of the longest side of a triangle that can be drawm?

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Solution

The length of the longest side of a triangle will be that triangle whose one side coincides with the diagonal of the face containing side lengths $3$ cm and $4$ cm.
$d = \sqrt{3^{2} + 4^{2}} = \sqrt{25} = 5$ cm.
$∴$ Length of the longest side of the triangle will be of $5$ cm.

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Sara is drawing some triangles on the faces of cuboidal box as shown above. What is the length of the longest side of a triangle that can be drawm?

The length of the longest side of a triangle will be that triangle whose one side coincides with the diagonal of the face containing side lengths 3 cm and 4 cm.d=√32+42=√25=5 cm.∴ Length of the longest side of the triangle will be of 5 cm.

The length of the longest side of a triangle will be that triangle whose one side coincides with the diagonal of the face containing side lengths $3$ cm and $4$ cm.
$d = \sqrt{3^{2} + 4^{2}} = \sqrt{25} = 5$ cm.
$∴$ Length of the longest side of the triangle will be of $5$ cm.