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Gnoma [55]
3 years ago
9

What is the Perimeter of the quadrant ​

Mathematics
2 answers:
Sophie [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Perimeter = 2pi*r/4 +2r=pi*r/2+2r=r(pi/2+2)≈3.57*r

tiny-mole [99]3 years ago
5 0

Answer:

radius + radius + arc length ???

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Really need help with this .
lions [1.4K]

Answer:

Step-by-step explanation:

The attached photo shows the diagram of quadrilateral QRST with more illustrations.

Line RT divides the quadrilateral into 2 congruent triangles QRT and SRT. The sum of the angles in each triangle is 180 degrees(98 + 50 + 32)

The area of the quadrilateral = 2 × area of triangle QRT = 2 × area of triangle SRT

Using sine rule,

q/SinQ = t/SinT = r/SinR

24/sin98 = QT/sin50

QT = r = sin50 × 24.24 = 18.57

Also

24/sin98 = QR/sin32

QR = t = sin32 × 24.24 = 12.84

Let us find area of triangle QRT

Area of a triangle

= 1/2 abSinC = 1/2 rtSinQ

Area of triangle QRT

= 1/2 × 18.57 × 12.84Sin98

= 118.06

Therefore, area of quadrilateral QRST = 2 × 118.06 = 236.12

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3 years ago
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Step-by-step explanation:

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3 years ago
Add. write each sum in simplest form 2 4/5 + 4 1/10
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The social studies teacher wants to know whether the students in the entire school prefer a model United Nations activity or a s
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3/4 of 48 ....."...................<br> ..<br> ....
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Answer:

36

Step-by-step explanation:

To get 1/4 of 48 we have to divide 48 by 4

48 ÷ 4 = 12

To get 3/4 of 48 we multiply 12 by 3

12 × 3 = 36

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