3 years ago

please help, this is due Wednesday! i don’t understand these. (with the graphs i understand the rest of it now).

Mathematics

2 answers:

nika2105 [10]3 years ago

5 0

Ok that’s good that you got it

matrenka [14]3 years ago

4 0

Answer:

ok thats good that you got it hope u do well

Step-by-step explanation:

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Need help on this one too

amid [387]

Answer:

If this is for a triangle then the answer is 45°

Step-by-step explanation:

Triangles are always 180° so if you have a right angle know that, that means the angle is 90°. So angle CAB is 90° and angle DAB is 45°. You take 180° and subtract 90° which leaves you with 90°. Then you take that 90° and subtract 45° and that leaves you with 45°.

8 0

3 years ago

What are the lengths of the legs of a right triangle in which one acute angle measures 19o and the hypotenuse is 15 units long?

WITCHER [35]

$x,y-\ lengths\ of\ legs\\\\sin19^\circ=\frac{x}{15}\\\\ sin19^\circ*15=x\\\\0,32*15=x\\\\x=4,8\\\\
y^2+(4,8)^2=15^2\\\\y^2=225-23,04\\\\ y^2=201,96\\\\y=14,2\\\\Legs\ are\ equalt\ to:\ 4,8 \ and\ 14,2.$