Answer:
Step-by-step explanation:
The variable w is equivalent to y, and the variable z is equivalent to x.
Is 1,250 More than or less than 1.25
2 answers:
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If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height. 
. x = 12.99 or 13