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sveta [45]
3 years ago
13

The proof that triangle ABC is congruent to triangle CDA is shown. given a AB is parallel to cd and BC is parallel to DE prove t

riangle ABC is congruent to triangle CDA what is the missing reason in the proof
Mathematics
1 answer:
Tresset [83]3 years ago
3 0

Answer:

D) SSS congruence theorem

Step-by-step explanation:

Edge 2021

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Does anyone know this
Helen [10]

Answer:Answer:

13.0feet

Step-by-step explanation:

Given ΔDEF with ∠F=90°, the measure of ∠D=19°, and DE = 40 feet, since one of the angles of the triangle is 90°, the triangle is a right angled triangle as shown in the attachment.

Using SOH, CAH, TOA to get the unknown EF.

Since <D is opposite to side EF, EF will be the opposite while side DE will be the hypotenuse

Based on SOH:

Sin<D = Opposite/Hypotenuse

Sin<D = EF/DE

Sin19° = EF/40

EF = 40sin19°

EF = 13.0 feet to the nearest tenth of a foot

6 0
3 years ago
Let f ( x , y )=5 x and let C be the segment of the parabola y = 2 x squared joining O( 0 , 0 ) and P( 1 , 2 ). a. Find a parame
taurus [48]

a. We can parameterize C by

x=t

y=2t^2

with 0\le t\le1. Then

\displaystyle\int_C5x\,\mathrm dS=\int_0^15t\sqrt{1+16t^2}\,\mathrm dt=\dfrac5{48}(17^{3/2}-1)

b. We can parameterize the opposite direction by instead setting

x=1-t

y=2(1-t)^2

with 0\le t\le 1. Then

\displaystyle\int_C5x\,\mathrm dS=\int_0^15(1-t)\sqrt{1+16(1-t)^2}\,\mathrm dt=-\int_1^05u\sqrt{1+16u^2}\,\mathrm dt=\int_0^15u\sqrt{1+16u^2}\,\mathrm du

which gives the same value as in part (a).

5 0
4 years ago
A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) doe
Gnesinka [82]
Let 4x = the girth (each side = x) Let y = the length 
4x + y = 114 maximum y = 114 - 4x 
volume = x^2 * y v = x^2 * (114 - 4x) v = 114x^2 - 4x^3 . . . . . . v is maximum (or minimum) when it's derivative = 0 v ' = 228x - 12x^2 
228x - 12x^2 = 0 12x * (19 - x) = 0 
x = 0 <=== this is obviously a minimum volume or x = 19 inches <=== for maximum volume 
4x + y = 1144*19 + y = 114y = 38 <=== 
The largest volume is 19 x 19 x 38
3 0
4 years ago
A house painter decides how many cans of paint to buy based on the total surface area of the house. The table below shows the su
makvit [3.9K]

Answer:

There is no image

Step-by-step explanation:

7 0
3 years ago
What is the result of adding these two equations?<br> −5x−9y=3<br> 5x−9y=−2<br> ​
dlinn [17]

Answer:

-18y = 1

Step-by-step explanation:

4 0
3 years ago
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