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Anna71 [15]
3 years ago
9

PLEASEEE HELP ME FO THISSS​

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

As C is the mid-point of BD.

Therefore, BC=DC ...(i)

As AB ⊥ BD and ED ⊥ BD

So, ∠ABC= 90° and ∠EDC= 90°

Therefore, ∠ABC=∠EDC= 90° ...(ii)

As two line segments, AE and BD intersect at point C, so the vertically opposite angles are equal.

Therefore, ∠BCA=∠DCE ...(iii)

Now, in ΔABC and ΔEDC,

Angle, ∠BCA=∠DCE [ from equation (iii)]

Side, BC=DC [ from equation (i)]

Angle, ∠ABC=∠EDC [ from equation (ii)]

So, by ASA property of congruency, ΔABC and ΔEDC are congruent

Hence, ΔABC ≅ ΔEDC.

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Step-by-step explanation:

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Answer:

Refexive I think

Step-by-step explanation:

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The line plot below shows the number of juice boxes Leon drank on specific days. Which three dates did Leon drink ten juice boxe
swat32
<h3>Answer: Choice C</h3>

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3 0
3 years ago
I need help solving problem 11.
Lunna [17]
Since triangle ABC is isosceles, then angles 1 and 9 are congruent.

4x + 3 = 9x - 47

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Angles 3 and 8 are supplementary to congruent angles that measure 60 deg, so 180 - 60 = 120, so

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For angles 2 and 7, use the sum of the measures of the angles of a triangle is 180 deg.

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43 + m<2 + 120 = 180

m<2 + 163 = 180

m<2 = 17

m<2 = m<7 = 17
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