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3 years ago

Does anyone know how to find these measures. Pls it’s due in a few hrs

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

3 0

18 is 60+35=95 180-95= 85 so ?=85°

vlabodo [156]3 years ago

3 0

Answer:

17) 120°

18) 85°

Step-by-step explanation:

→ Find the sum of angles in each shape

Quadrilateral = 360°

Triangle = 180°

→ Add the angles together and subtract it from the sum

360 - ( 80 + 80 + 80 ) = 120° for number 17

180 - ( 35 + 60 ) = 85° for number 18

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3 years ago

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Answer:

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3 years ago

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Read 2 more answers

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Soloha48 [4]

The first step to solving this is to use tan(t) = $\frac{sin(t)}{cos(t)}$ to transform this expression.
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Using cot(t) = $\frac{cos(x)}{sin(x)}$ ,, transform the expression again.
cos(x) × $( \frac{sin(x)}{cos(x)} + \frac{cos(x)}{sin(x)} )$
Next you need to write all numerators above the least common denominator (cos(x)sin(x)).
cos(x) × $\frac{sin(x)^{2} + cos(x)^{2} }{cos(x)sin(x)}$
Using sin(t)² + cos(t)² = 1,, simplify the expression.
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Reduce the expression with cos(x).
$\frac{1}{sin(x)}$
Lastly,, use $\frac{1}{sin(t)}$ = csc(t) to transform the expression and find your final answer.
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This means that the final answer to this expression is csc(x).
Let me know if you have any further questions.
:)

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2 years ago