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sertanlavr [38]
2 years ago
8

Find the area of each sector

Mathematics
1 answer:
Bas_tet [7]2 years ago
7 0

First, let's take a look at the formula of a sector: θ/360° x 兀r^2

In this case:

=90°/360° x 兀13^2

=1/4 x 169兀

=169/4 兀

=42.25兀 sq. ft

Therefore the answer is 42.25兀 sq. ft.

Hope it helps!

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Land in downtown Columbia is valued at $10 a square foot. What is the value of a triangular lot with sides of lengths 119, 147,
stiks02 [169]

Answer:

$87,461

Step-by-step explanation:

Given that the dimensions or sides of lengths of the triangle are 119, 147, and 190 ft

where S is the semi perimeter of the triangle, that is, s = (a + b + c)/2.

S = (119 + 147 + 190) / 2 = 456/ 2 = 228

Using Heron's formula which gives the area in terms of the three sides of the triangle

= √s(s – a)(s – b)(s – c)

Therefore we have = √228 (228 - 119)(228 - 147)(228 - 190)

=> √228 (109)(81)(38)

= √228(335502)

=√76494456

= 8746.1109071 * $10

= 87461.109071

≈$87,461

Hence, the value of a triangular lot with sides of lengths 119, 147, and 190 ft is $87,461.

6 0
3 years ago
35 POINTS!! PLZ ANSWER FAST I WILL GIVE BRAINLIEST
TEA [102]

Answer:

16

Step-by-step explanation:

well, times means to multiply, so 8 times (x) 2 = 16

6 0
3 years ago
Solve the Absolute Value Equation. <br><br> |9x+1| = 46
Sedaia [141]
X = 5 (you can set it up as a regular equation)
9x + 1= 46
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x = 5 (divided 45 by 9)
hope this helps :)
5 0
3 years ago
Write a story problem that would model the sum of the arrows in the number diagram below. The first part of your story should re
dalvyx [7]
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3 0
3 years ago
Find the square root by factor <br>21904 
mihalych1998 [28]
21904|2\\10952|2\\.\ 5476|2\\.\ 2738|2\\.\ 1369|37\\.\ \ \ \ 37|37\\.\ \ \ \ \ \ 1|\\\\21904=2\times2\times2\times2\times37\times37=2^4\times37^2\\\\\sqrt{21904}=\sqrt{2^4\times37^2}=\sqrt{2^4}\times\sqrt{37^2}=2^2\times37=4\times37=148



\sqrt{21904}=\sqrt{4\times5476}=2\sqrt{4\times1369}=2\times2\sqrt37\times37}=4\times37=148

8 0
3 years ago
Read 2 more answers
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