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2 years ago

5

Jim and his younger sister Di were born on the same day of the year but 4 years apart. There was a total of 22 candles on their

cake last birthday. how old is Di?

2 answers:

Ratling [72]2 years ago

5 0

Di is 10 and Jim is 14

DaniilM [7]2 years ago

4 0

8 years and Jim is 14

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NISA [10]

Answer:

Part 1) The measure of angle A is $A=80\°$

Part 2) The length side of a is equal to $a=10.9\ units$

Part 3) The length side of b is equal to $b=6.3\ units$

Step-by-step explanation:

step 1

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we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

$A+B+C=180\°$

substitute the given values

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step 2

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Applying the law of sines

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substitute the given values

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step 3

Find the length of side b

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substitute the given values

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$b=\frac{10}{sin(65\°)}(sin(35\°))$

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