1 year ago

What’s the area of this figure? lol i have no idea helppp

Mathematics

2 answers:

Marianna [84]1 year ago

7 0

Answer:

take all the numbers and multiply...

Step-by-step explanation:

xxTIMURxx [149]1 year ago

5 0

Answer:

285

Step-by-step explanation:

For the top section, we can portion out 20 x 8 = 160.

Next, directly in the middle is a 5 x 5 square = 25.

Finally, we have a right triangle with dimensions 10 x 20 so the area would be 10 x 20 / 2 = 100.

160 + 25 + 100 = 285.

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2 years ago

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ki77a [65]

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Solution:

Given In ΔQRP, p = 28 km, q = 17 km, r = 15 km

To find the measure of angle R:

Law of cosine formula for ΔQRP:

$r^{2}=p^{2}+q^{2}-2 pq \cos R$

Substitute the given values in the above formula.

$(15)^{2}=(28)^{2}+(17)^{2}-2 (28)(17) \cos R$

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$225=1073-952 \cos R$

Switch the given equation.

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Divide by –952 on both sides.

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2 years ago

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joja [24]

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Step-by-step explanation:

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