3 years ago

0 = 4(3.14)/5 ;r = 9 cm

Mathematics

1 answer:

jolli1 [7]3 years ago

7 0

Answer:

i don't think i know the answer to your question

Step-by-step explanation:

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C. $\{y|y\ge 1\}.$

Step-by-step explanation:

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3 years ago

Read 2 more answers

The diagonals of rhombus ABCD intersect at E. Given that m∠CAD=20° and CE=4, find the m∠CDA.

V125BC [204]

Answer:

Step-by-step explanation:

For a rhombus, the sum of the interior angles is 360 degrees and also the opposite angles are equal i.e <ABC = <CDA and <BAD = <BCD

Given

<CAD = 20 degrees

<BCE = 20 degrees (based on geometry)

<BAD = <CAD + <BCE

<BAD = 20 + 20

<BAD = 40 degrees

Since <BAD = <BCD, then <BCD = 40 degrees

Get <CDA

<CDA + <ABC + <BAD + <BCD = 360

<CDA + <CDA + <BAD + <BCD = 360

2 < CDA + 40 + 40 = 360

2< CDA + 80 = 360

2< CDA = 360-80

2< CDA = 280

< CDA = 280/2

6 0

3 years ago