Mathematics Question and Solution
cosa = (2√(5))/(3√(5))
a = acos(⅔)°
a is angle PRT.
tana = 25/b
b = 25/(tan(acos(⅔)))
b = 22.360679775 units.
b = 10√(5) units.
Therefore, area triangle TRP is;
½*25b
= ½*25*10√(5)
= 125√(5) square units.
cosa = (2√(5))/(3√(5))
a = acos(⅔)°
a is angle PRT.
tana = 25/b
b = 25/(tan(acos(⅔)))
b = 22.360679775 units.
b = 10√(5) units.
Therefore, area triangle TRP is;
½*25b
= ½*25*10√(5)
= 125√(5) square units.
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