### The perimeter of a triangle is 132 $\mathrm{cm}$ …

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University of California, Berkeley
Problem 29

In Exercises $24-29$ find the measure of each angle.
The measures of the angles of a hexagon are in the ratio $4 : 5 : 5 : 8 : 9 : 9 .$

$\angle 1=72.5^{\circ} ; \angle 2=90^{\circ} ; \angle 3=90^{\circ} ; \angle 4=144^{\circ} ; \angle 5=162^{\circ} ; \angle 6=162$

Chapter 7
Similar Polygons
Section 1
Ratio and Proportion
Geometry

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## Video Transcript

We know that hexagons add up to 720 we're left with 7 20 equals 40 acts. Acts equals 18 multiply 458 and nine by the result angle one of 72.5 angled to is 90 angles three s nine d angle for this 1 44 angle five is 1 62 angle sex is 1 62