# Supply the missing information figure (d).

**Solution:**

Given, the figure represents a repeater machine.

We have to find the missing information in the given diagram.

From the given figure,

We know that, when two machines are hooked up their stretching power is multiplied.

Stretching power = 4 × 3 = 12 cm

Output = 36 cm

We know, input × stretching power = output

Input × 12 = 36

Input = 36/12

= 3 cm

Therefore, the missing information is 3.

**✦ Try This: **Supply the missing information for each diagram.

**☛ Also Check: **NCERT Solutions for Class 8 Maths Chapter 12

**NCERT Exemplar Class 8 Maths Chapter 8 Problem 163(d)**

## Supply the missing information figure (d).

**Summary:**

A repeater machine is a hypothetical machine which automatically enlarges items several times. The missing information is 3 cm.

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