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STatiana [176]
3 years ago
6

Can someone help me I’m having trouble finding the area of the shaded region in each figure and round the answer to two decimal

places and I have to use 3.15:(

Mathematics
1 answer:
stellarik [79]3 years ago
5 0

Answer:

Step-by-step explanation:

Area of a Semi Circle

Area = 1/2 pi r^2

r = d/2

r = 3/2

r = 1.5

Area = 1/2 3.14 * 1.5^2

Area = 1/2 * 3.14 * 2.25

Area =                                                           3.5325

Area of Rectangle

L = 12 Yd

W = 4 Yd

Area = L * W

Area = 12 * 4<u>  =                                          48 </u>

Total Area =                                               51.5325

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A. &gt;<br> B. &lt;<br> C. =<br> D. none of the above
earnstyle [38]

Answer:

3.14 \times 10 ^{3}  < 2.6 \times 10^{3}

Step-by-step explanation:

3.14 \times 10 ^{3}

3140

2.6 \times 10 ^{4}

26000

7 0
2 years ago
It’s shape is one whole what fraction greater than one names the parts that are shaded
wolverine [178]
Its probably a fraction. 

You would know the answer if you researched what your question was on google
4 0
3 years ago
ΔABC is a right triangle. Prove: a2 + b2 = c2 Right triangle BCA with sides of length a, b, and c. Perpendicular CD forms right
777dan777 [17]

Answer: Pythagorean Theorem Pieces of Right Triangles is not a justification for the proof.

Explanation : Here, \triangle ABC is a right triangle with sides a, b and c. Perpendicular CD forms right triangles BDC and CDA.

CD measures h units, BD measures y units, DA measures x units.

Draw an altitude from point C to Line segment AB Let segment BC = a segment CA = b, segment AB = c,  segment CD = h,  segment DB = y, segment AD = x,

y + x = c

a/c=y/a( Similarity theorem in triangles ABC and DBC )

a^2 = cy------(1) (Cross Product Property)

Similarly, b^2 = cx (Similarity theorem in triangles ABC and ADC)---------(2)

a^2 + b^2 = cy + cx(after adding equation (1) and (2) )

a^2 + b^2 = c(y + x)( By additional property of equality)

a^2 + b^2 = c^2. ( because y + x=c)

Thus, it has been proved that except Pythagorean Theorem Pieces of Right Triangles we use all other properties.

8 0
3 years ago
Read 2 more answers
PLEASE HELP !! <br><br> Will give the brainliest !!
Alika [10]

Answer:

A. They're not simalier because two pairs of corresponding angles in the two trapezoids are congurant

5 0
3 years ago
Read 2 more answers
  (1 pt) Uncle Mark's family drinks 12 quarts of milk every week.    Which expression could be used to figure out how many gallo
lina2011 [118]
The answer would be D)12/4 because if 4 quarts=1 gallon then 12/4=3 gallons 
3 0
3 years ago
Read 2 more answers
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