Answer:
23
Step-by-step explanation:
20 *.15=3
20+3=23
<h3>
Step-by-step explanation:</h3>
Quadrilateral are four sided shapes. e.g
There are 2 sides in a quadrilateral and each of them are 180° shown above. Angles in a quadrilateral add up to 360°.
For example: The example is shown in the picture above.
About 20 it depends on how big the termite is.
First way: m+7m+m+7m
Second way: m(1+7+1+7) (factorize)
Third way: 2(m)+2(7m)