Convert the following degree measure to radian measure. 90 degrees

Mathematics

1 answer:

Ray Of Light [21]3 years ago

4 0

90 degrees converted to radians is pi/2 or π/2 radians.

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DG¯¯¯¯¯¯ , EG¯¯¯¯¯ , and FG¯¯¯¯¯ are perpendicular bisectors of the sides of △ABC . DG=5 cm and BD=12 cm.

jonny [76]

Given that DG, EG, and FG are perpendicular bisectors of the sides of △ABC, this means that the point of intersection, G, is the circumcenter of the triangle and hence AG, BG, and CG are equal.

Given that DG = 5 cm and BD = 12 cm, then

$BG= \sqrt{DG^2+BD^2} \\ \\ = \sqrt{5^2+12^2} = \sqrt{25+144} \\ \\ = \sqrt{169} =13$

Since AG = BG = CG, therefore, CG = 13 cm.

3 0

2 years ago

joanne cannot decide which of two washing machines to buy. The selling price of each is $660. The first is marked down by 40%.

Alexxx [7]

Answer: The first machine would cost $420

and the second machine would cost $432

you should buy the first machine

Step-by-step explanation:If you get a 30% discount, then you are paying 70% of the selling price.

Machine 1: 600(.70) = 420

Machine 2: A 10% discount means you pay 90%

600(.90) = 540 But now you get a 20% discount on that amount, which means you would pay 80%

So, 540(.80) = 432