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BaLLatris [955]

3 years ago

6

A stained glass window has the dimensions shown. What is the perimeter of the hole that should be cut in the wall in order for t

he window to be installed?

1 answer:

ivanzaharov [21]3 years ago

4 0

Answer: She observed older fossils that contained many of the same minerals as the newer ones

Step-by-step explanation:

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Semmy [17]

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oksian1 [2.3K]

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18. In the figure, o is the center of the circle passing through P, Q, R and S. If angle SOQ = 150°, find the values of x and y.

AveGali [126]

Answer:

x = 75°

y = 105°

Step-by-step explanation:

Angle subtended on the circumference of the circle is half of the angle subtended on the center of the circle.

$\therefore m\angle SRQ = \frac{1}{2} \times m\angle SOQ\\\\\therefore x = \frac{1}{2} \times 150\degree \\\\\red{\bold{\therefore x =75\degree}} \\$

Quadrilateral PQRS is a cyclic quadrilateral.

$\therefore m\angle R + m\angle P= 180\degree \\\\\therefore x + y = 180\degree \\\\\therefore 75\degree + y = 180\degree \\\\\therefore y = 180\degree - 75\degree \\\\\purple {\bold {\therefore y = 105\degree}} \\$

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3 years ago

Which equation could you use to solve for x in the proportion StartFraction 4 over 5 EndFraction = StartFraction 9 over x EndFra

s344n2d4d5 [400]

Answer:

x = 9x5 / 4

x = 45/4

(either one)

Step-by-step explanation:

$\frac{4}{5}$ = $\frac{9}{x}$

Multiple known diagonals and divide by number opposite to unknown number (x).

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