Find the value of x and the value of y.

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

7 0

Answer:

y is 12 but there isnt enough info for x

Step-by-step explanation:

i tried to do the math but there isnt enough info

stepladder [879]3 years ago

5 0

Answer:

Step-by-step explanation:

If you knew some angles or if side y and the side thats 18 were parallel, then you could do some things, but I don't think theres enough information.

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Find area of blue shaded region

RUDIKE [14]

Answer:

$\approx \: 7.33 \: {cm}^{2}$

Step-by-step explanation:

Area of the blue shaded region

$= \frac{ \theta}{360 \degree} \times \pi r_1^2 - \frac{ \theta}{360 \degree} \times \pi r_2^2 \\ \\ = \frac{ \pi\theta}{360 \degree} ( r_1^2 - r_2^2) \\ \\ ( r_1 = 4 \: cm, \: \: r_2 = 3\: cm, \: \: \theta = 120 \degree) \\ \\ = \frac{ 3.14 \times 120 \degree}{360 \degree} ( 4^2 - 3^2) \\ \\ = \frac{ 3.14 }{3} \times 7 \\ \\ = \frac{21.98}{3} \\ \\ = 7.32666667 \\ \\ \approx \: 7.33 \: {cm}^{2}$