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mel-nik [20]
3 years ago
5

I need help with this problem, can someone help?

Mathematics
1 answer:
Anastasy [175]3 years ago
4 0

Answer:

By AAS criteria Δ ABC ≅ Δ ADC

Step-by-step explanation:

See the diagram attached.

We have to prove Δ ABC ≅ Δ ADC

Steps :  

Between Δ ABC and Δ ADC

1. CA bisects ∠ BAD, and hence, ∠ CAB = ∠ CAD {Given}

2. ∠ B = ∠ D {Given}

3. Side AC is common to both the triangles.

Hence, by Angle-Angle-Side i.e. AAS criteria Δ ABC ≅ Δ ADC (Proved)

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Camilias as backyard is in the shape of a rectangle and has a length of 16.5 feet. It costs her $976 to fence in the yard. If fe
Bumek [7]

Answer:

14 feet

Step-by-step explanation:

To calculate the width of the patio, we will use the formula of the perimeter, in the case of the rectangle it has the formula of:

p = 2 * l + 2 * w

Now we know that the total fencing value is $ 976 and that per foot is $ 16

that is, we can calculate the value of the perimeter, like this:

976/16 = 61

We know that the perimeter is 61 feet and that the length is 16.5, therefore it only remains to replace:

61 = 16.5 * 2 + 2 * w

solving for w:

w = (61 - 33) / 2

w = 14

which means that the width of the patio is 14 feet.

8 0
3 years ago
What fraction of an hour is 10 minutes?<br><br> Give your answer in its simplest form.
Naddika [18.5K]

Answer:

1/6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A surfboard has an original price of $259. It is on sale for 55% off the original price.
grin007 [14]
I'm not sure what answer you need for this question?
original price: 259
sale: 55% off
55%=0.55
so 259×0.55=142.45
142.45 is the 55% of the original price
259-142.45=116.55
116.55 is the price after sale.
hope this would help. (*^ω^*)/
5 0
3 years ago
Read 2 more answers
What is the degree of the polynomial? 3.75x^5- 7.25x^7+9.5- 6.75x^6
gregori [183]
The degree of the polynomial is 7
8 0
3 years ago
Reflect quadrilateral CJKM across the y-axis. Find the location of K'.
Montano1993 [528]

K(1,4)\rightarrow K^{\prime}(-1,4)

Explanation

Step 1

find the coordinate of every point of the quadrilateral

C(-3,1)

J(0,1)

K(1,4)

M(4,-2)

Step 2

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).

so

(x,y)\rightarrow reflect\text{ across y -Ax is}\rightarrow(-x,y)

therefore

\begin{gathered} C\mleft(-3,1\mright)\rightarrow C^{\prime}(3,1) \\ J\mleft(0,1\mright)\rightarrow J^{\prime}(0,1) \\ K\mleft(1,4\mright)\rightarrow K^{\prime}(-1,4) \\ M(4,-2)\rightarrow M^{\prime}(-4,-2) \end{gathered}

so, the answer is

K^{\prime}(-1,4)

i hope this helps you

4 0
1 year ago
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