jaelaaquilino jaelaaquilino
  • 19-12-2021
  • Mathematics
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ABCD is a parallelogram. What is the measure of ∠ACD?

ABCD is a parallelogram What is the measure of ACD class=

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Bromine67
Bromine67 Bromine67
  • 19-12-2021

Step-by-step explanation:

Here

5x+16+7x-3+6x+5 = 180(being sum of triangle)

or, 18x=180-18

or, x= 162/18

so, x = 9

now,

here,

<ACD = <ACB(diagonals of parallelogram bisect eachother)

or, <ACD = 7x-3

or, <ACD = 7×9-3

or, <ACD = 63-3

So, <ACD = 60°

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