Question

Find the length of the longest rod that can be placed in a box of length 1.2m,breadth 90 height 80cm.

Answer 1

Answer:

The length of the longest rod is 1.7 m.

Explanation:

From the question, we have

Length = 1.2 m

Breadth = 90 cm = 0.9 m

Height = 80 cm = 0.8 m

Its diagonal is the longest rod that can be placed in the room.

Length of longest rod =

$=\sqrt{1.2^{2}+0.9^{2} +0.8^{2} } \\=\sqrt{1.44+0.81+0.64} \\=\sqrt{2.89} = 1.7 m$

The length of the longest rod is 1.7 m.

Addition:

In math, addition is the process of adding two or more integers together. The numbers being added are known as addends, while the outcome of the addition process, or the final response, is known as the sum. The combination of at least two numbers constitutes basic addition. Once a student has mastered counting, they can begin to study basic addition. By locating the addend at the top of the chart and tracing down to the row of the second addend, they can utilise an addition chart as a learning tool. The process of adding two or more integers to obtain a result is known as addition. Commutative addition has four major characteristics: associative, distributive, and additive identity.

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