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nirvana33 [79]
2 years ago
9

Find the area of the irregular figure (use 3. 14 for pi). Show your work. Round to the nearest tenth.

SAT
1 answer:
Svetlanka [38]2 years ago
7 0

Based on the information given, the value of the area of the irregular figure will be 13.7 ft².

<h3>How to calculate the area.</h3>

From the complete question, the area of a triangle will be:

= 0.5 x base x height

= 0.5 x 3.6 x 4.8

= 8.64 ft²

Area of the semicircle = 0.5πr²

Area of the semicircle = 0.5 x 3.14 x 1.8²

Area of the semicircle = 5.09  ft²

Area of the irregular figure = Area of the semicircle + Area of the triangle

= 5.09 ft² + 8.64 ft²

= 13.73ft² = 13.7 ft²

Learn more about area on:

brainly.com/question/12327739

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<h3>What is a SI V-Scope?</h3>

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Given that sin 53° = 0.8, what is the approximate length of side AB in the figure above?
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Cual es la diferencia entre estas imagenes?
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Discuss why choosing wrong friends may subject you to unrealistic life expectations.
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Factor the expression into an equivalent form 12y^2-75.
elena-14-01-66 [18.8K]

Hello oddworld7836!

\huge \boxed{\mathbb{QUESTION} \downarrow}

Factor the expression into an equivalent form 12y² - 75.

\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}

12 y ^ { 2 } - 75

By observing the expression, we can see that, 3 is the only common factor in both the terms of the expression. So, take the common factor 3 out.

12 y ^ { 2 } - 75 \\  = 3\left(4y^{2}-25\right)

Now, look at (4y² - 25). They don't have any common factors but they appear in the form of the algebraic identity ⇨ a² - b² = (a + b) (a - b). Here,

  • a² = 4, a = 2 (√a² = ✓4 = 2)
  • b² = 25, b = 5 (√b² = ✓25 = 5)

So, the (4y² + 25) becomes...

(4 {y}^{2}  - 25) \\  = \left(2y-5\right)\left(2y+5\right)

Now, bring the 3 (common factor) & rewrite the complete expression.

12 y ^ { 2 } - 75 \\  =  \boxed{ \boxed{ \bf \: 3\left(2y-5\right)\left(2y+5\right) }}

We can't further simplify it. Also, remember that the simplified form of an expression is equivalent to the expression. So, 3 (2y - 5) (2y + 5) is equivalent to 12y² - 75.

__________________

Hope it'll help you!

ℓu¢αzz ッ

8 0
2 years ago
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