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3 years ago

PLZ HELP ASAP RIGHT TRIANGLES

Mathematics

1 answer:

borishaifa [10]3 years ago

6 0

The correct answer is: AB = 3.11

Explanation:
Since

$cos(\theta) = \frac{base}{hypotenuse}$ --- (1)
$\theta$ = 50°
base = 2

And hypotenuse = AB

Plug in the values in (1):
(1) => cos(50°) = 2/AB

=> AB = 2/0.643
=> AB = 3.11

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3 years ago

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1. is a 30 60 90 triangle so x = 30

pardon my bad handwriting for below

STEP 1: subtract the angle you have from 180

STEP 2: add your x values together, if there is a non x number (such as + 10) balance it out on the other side by adding or subtracting

STEP 3: divide so that x has no coeffecient in front of it

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