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Sphinxa [80]
3 years ago
11

Someone please help

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer: 3.5 or 0.2

Step-by-step explanation:

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given : AD is ⊥to AB and DC, BC is ⊥ to AB and DC, angle EDC ≅ angle ECD, AD ≅ BC. prove: triangle ADE ≅ triangle BCE
Kamila [148]

Answer:

Hence proved triangle ADE ≅ triangle BCE by Side Angle Side congruent property.

Step-by-step explanation:

Given:

AD ⊥ AB \& CD

BC ⊥ AB \& CD

AD = BC

∴ ∠ A = ∠ B = ∠ C = ∠ D =90°

∠ EDC = ∠ ECD

Solution

∠ C = ∠ BCE + ∠ ECD⇒ equation 1

∠ D = ∠ ADE + ∠ EDC⇒ equation 2

∠ C = ∠ D (given)

Substituting equation 1 and 2 in above equation we get

∠ BCE + ∠ ECD = ∠ ADE + ∠ EDC

But ∠ EDC = ∠ ECD (given)

∴ ∠ ADE = ∠ BCE

ED = EC (∵ base angles are same triangle is isosceles triangle)

Now, In Δ ADE and Δ BCE

AD =BC

∠ ADE = ∠ BDE

ED = EC

∴ By Side Angle Side congruent property

Δ ADE ≅ Δ BCE

6 0
4 years ago
Find the inverse of the following function f(X)=12X-4
RoseWind [281]

Answer:

y=(x+4)/12

Step-by-step explanation:

f(x)=12x-4

To find the inverse follow these steps:

1.) Make f(x) y so y=12x-4

2.) Switch x and y

so, x=12y-4

3.) solve for y

add 4 to the other side and then divide by 12 to get y by itself.

5 0
3 years ago
What is the measure of exterior angle 1?
Zolol [24]

Answer:

Step-by-step explanation:

A picture is needed

3 0
4 years ago
Charla is finding points on a number line.
Natalija [7]

Answer:

Point C represents 2/3

5 0
3 years ago
Factor this polynomial expression.
Sauron [17]

Answer:

The answer is A. (x-6)(x-6)

Step-by-step explanation:

x^2 -12x + 36

x^2 - (6+6) x+36

x^2 - 6x - 6x + 36

x( x - 6) -6(x-6)

(x-6)(x-6)

8 0
4 years ago
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