What is the area of 15x7
2 answers:
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Let's start by identify a 30-60-90 triangle
If we compare those two traingles we can stablish the following relation:
Therefore, a=6
u is the opposite side to the 90° angle, therefore
on the other hand, v is the opposite side to the 30° angles, so
<h3><u>Solution:-</u></h3>
This problem can be tackled by using distributive property of multiplication .
It states for any three numbers a,b and c
<u>Similarly</u>,
23 × 45
(21+2) ×45
21×45+2×45
945 + 90
1035
It can also be done as-
23 × 45
(25-2) ×45
25×45-2×45
1125-90
1035