3 years ago

A right triangle has one angle that measures 83º. What is the measure of the other acute angle?

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

7 0

180-(83+90)=180-173=7

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Find the area of the polygon with the given vertices. J(-3,4), K(4,4), L(3,-3)

Margarita [4]

Answer:

<h2> A = 24.5 square units</h2>

Step-by-step explanation:

$J(-3,\,4)\ \ \implies\ y_J=4\\\\K(4,\,4)\ \ \implies\ y_K=4\\\\y_K=y_J\ \ \implies\ JK\parallel X{-}axis\ \implies\ H=|y_L-y_K|\quad\ \{for\ JK=base\}\\\\H=|-3-4|=|-7|=7\\\\\\ JK\parallel X{-}axis\ \implies\ B=JK=|x_J-x_K|=|-3-4|=7\\\\\\A=\frac12BH\\\\A=\frac12\cdot7\cdot7=24.5$