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Formulas for a Triangle perimeter- a + b + c (add all sides) semiperimeter- a + b + c ÷ 2 (add all sides the divide by 2) area- base • height ÷ 2 (multiply base by heighth divide by 2) base- 2 • area ÷ height (2 by area divide by heighth) height- 2 • area...

And thanks.

Thanks anyway.

pretty please help. are these corr4ect. its for my cumulative exam and i don't want to get it wrong....

thanks.

2 (blocks) •4 (15 minutes)= 8 (blocks)