3 years ago

What is the value of K?

Mathematics

1 answer:

GREYUIT [131]3 years ago

3 0

Answer:

Step-by-step explanation:

opposite angles

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Identify the angle measures of PQRS.

kap26 [50]

The opposite angles of an inscribe quadrilateral are supplementary.

angle P + angle R = 180
6x + 7 + 12x + 11 = 180
18x + 18 = 180
18x = 162
x = 9

Now we will substitute in the value of x to find angle P and R.

angle P = 6(9)+7 = 61
angle R = 12(9)+11 = 119

Now we will find the value of y.

angle Q + angle S = 180
10y + 7 + 3(3y + 7) = 180
10y + 7 + 9y + 21 = 180
19y + 28 = 180
19y = 152
y = 8

Now substitute in the value of y to find angle Q and S.

angle Q = 10(8)+7 = 87
angle S = 3(3*8+7) = 93

Hope this helps :)

7 0

3 years ago

Which is not an equation of the line going through (3,-6) and (1, 2)?

Olegator [25]

Answer:

○ $\displaystyle y - 1 = -4(x - 2)$