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Explanation:</h2><h2>
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Hello! Remember you have to write complete questions in order to get good and exact answers. Here we have no expressions for ∠CBD and ∠ABC, so I'll assume:

We know that the measure of ∠CBD is 45% of the measure of ∠ABC, then:

2/3<3/4
2/3 translates to 0.6666666666666
3/4 translates to 0.75
0.666666 is before 0.75 on a number line
P = 8 + 10 + 8 + 10
P = 36
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The answer for this problem is b
Answer: The reason you cross multiply fractions is to compare them. Cross multiplying fractions tells us if the two fractions are equal or which one is greater. This is especially useful when you are working with larger fractions that you aren't sure how to reduce.
It works cause they have the same denominator
bruh