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A rectangular book measure 12*15. What is the length of its diagonal?

A rectangular book measure 12*15. What is the length of its diagonal?
asked 102k views
5 votes
A rectangular book measure 12*15. What is the length of its diagonal?

asked
User Denoise
by
8.4k points

1 Answer

4 votes

Answer:

19.21

Explanation:

use the formula


\sqrt{w^(2)+l^(2) }

and simplify


\sqrt{12^(2)+15^(2) }


√(144+225)


√(369) = 19.21

answered
User Cheezo
by
8.2k points
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