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nlexa [21]
3 years ago
10

Need help with this I'm on a time limit

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0
Gdfgffggfdgdfgfdgfggfggfgfgfgfgfffdfdffgg
-Brainly support team (Klara academic DEPT.)Spam words mean team is having trouble determining the question CONTACT For support. Thanks for using brainly.
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Given that ∠A and ∠B are supplementary, Daisy conjectured that ∠A≅∠B . Which statement is a counterexample to Daisy's conjecture
Nonamiya [84]

I believe the answer is C. 40 and 140.

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Read 2 more answers
PLEASE I NEED THIS ASAP!!!
lesya692 [45]

Answer:

Option D. is the correct choice.

Step-by-step explanation:

Cylinder and a cone.

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Which lists the ratios in order from greatest to least? 23:24, 11:12, 7:8 23.24, 7:8, 11:12 7:8, 23:24, 11:12 7:8, 11:12, 23:24​
likoan [24]

Answer:I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I. I

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6 0
3 years ago
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Ksju [112]
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5 0
3 years ago
Since BC is parallel to DE, triangles ABC and ADE are similar. What are the lengths of the unknown sides?
NikAS [45]

Answer:

C

Step-by-step explanation:

Step 1: find BC

Given Triangles ABC and ADE are similar,

\frac{AB}{AD} = \frac{BC}{DE}

BC = \frac{AB}{AD} x DE

= \frac{8}{8 + 4} x 9

= 6 cm

Step 2: use Pythagorean theorem to find AC and / or AE

Consider triangle ABC,

by Pythagorean theorem,

AB² + BC² = AC²

AC² = 6² + 8² = 100

AC = √100 = 10 (answer... we can see that C is the only one with AC=10.

Step 3: Verify.. even though we know that it is C because AC  = 10,  you can verify that the ansewer is correct by finding CE and confirming that CE=5

By using similar triangles ABC and ADE,

AC/AE = AB / AD

AE = AD/AB x AC = 12/8 x 10 = 15

CE = AE - AC = 15 - 10 = 5 (answer confirmed)

5 0
3 years ago
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