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goldfiish [28.3K]
3 years ago
9

A triangular pane of glass has a height of 30 inches and an area of 270 square inches. what is the length of the base pane

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0
The equation for the area of a triangle is A= b*h /2. So, plug in your known variables, and you get 270in^2= b*30 /2. First you multiply by 2 to cancel out the division for 2, which gets you 540= b* 30. To get "b" by itself, divide both sides by 30, giving you <u>18=b</u>.

To check this, plug in your new known variable, as 270= 18* 30 /2. This will equal as 270=270, confirming 18in as the correct measurement.
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