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3 years ago

1. In diagram below, POTU is a circle and |SR|=|ST|. Find.r.

Mathematics

2 answers:

algol [13]3 years ago

8 0

The angle of r is 90 degrees. The rectangle touches the circle on each corner and therefore all angles have to be 90, and since one of them is equal to r

juin [17]3 years ago

4 0

Answer:

i think 100 is a required answer.

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Evaluate each expression when y = 5.<br> a 12+ 4<br> b. 4(+3)

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3 years ago

Find the value of x

kodGreya [7K]

Answer:

Last Option

Step-by-step explanation:

We have a triangle and we know its three sides.

We want to find one of your anguos. Then we use the cosine theorem.

$c ^ 2 = a ^ 2 + b ^ 2 -2abcosx$

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$c = 14\\a = 11\\b = 19$

Now we solve for x from the equation

$c ^ 2 = a ^ 2 + b ^ 2 -2abcosx\\\\\\14^2 = 11^2 + 19^2 -2(11)(19)cosx\\\\14^2 -11^2 -19^2 = 2(11)(19)cosx\\\\-286=2(11)(19)cosx\\\\cosx = \frac{-286}{2(11)(19)}\\\\x = arcos(\frac{-286}{2(11)(19)})\\\\x = 46.8\°$

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2 years ago

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B- 7/4= -2/3 What is the B?

vitfil [10]

Answer:

13/12

Step-by-step explanation:

B - 7/4 = -2/3

B = -2/3 + 7/4

B = 13/12

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2 years ago

1. In diagram below, POTU is a circle and |SR|=|ST|. Find.r.​

1. In diagram below, POTU is a circle and |SR|=|ST|. Find.r.