Mario walked at a rate 2/3 miles every 10 minutes. What was his walking rate in miles per hour?
1 answer:
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Here's the solution,
The given triangle is an <u>equilateral triangle</u>, because it's all angles measure 60° each
now,
Area of an equilateral triangle :
=》
where,
- a = 8 ( side measure )
=》
=》
=》
or
=》