A right triangle with the lengths of perpendicular sides 5 cm and 6 cm is constructed. Then, the length of the third side is

6.6 cm

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7.2 cm

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7.8 cm

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8.2 cm

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Solution

The correct option is C
7.8 cm

Step 1:
Draw a pair of perpendicular lines and name the point where they meet as A.

Step 2:
Mark C on one of the lines, 6 cm from A and mark B on the other line, 5 cm from A.

Step 3:
Join the points B and C to get the required right angle triangle.

From the above construction, we see that the length of side BC is 7.8 cm

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