2 years ago

Use Structure If you know the diameter of acircle, how can you find the area? © MP.7

1 answer:

defon2 years ago

7 0

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timofeeve [1]

Answer:

Step-by-step explanation:

(sec α - tan α)(sec α + tan α) = sec^2 α - tan^2α

But sec^2 α = 1 + tan^2 α so

sec^2 α - tan^2α = 1 + tan^2 α - tan^2α

= 1

so 1 = (sec α - tan α)(sec α + tan α) = 1/4 * x where x is sec α + tan α

1/4 * x = 1

x = 4.

6 0

2 years ago

Alexus [3.1K]

11*13=143
11+13=24
The sum of the two consecutive odd integers is 24

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2 years ago

DiKsa [7]

3.5 quarts = 3.31 liters

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2 years ago

gayaneshka [121]

We need to substituter the values for the variables. 2(8)(2)/(6), or 32/6, or 5.3333

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2 years ago

AlladinOne [14]

Answer:

$\sqrt{128} - \sqrt{72} = 2.82842712474619 \\ \\ 2.82842712474619 \div \sqrt{8 } = 1$

HOPE IT HELPS! :)

7 0

2 years ago

Use Structure If you know the diameter of acircle, how can you find the area? © MP.7​