esmeraldaramire
esmeraldaramire esmeraldaramire
  • 12-07-2017
  • Mathematics
contestada

ABCD is a parallelogram. If measurement C=98, then what is measurement A ?

Respuesta :

JensenZ
JensenZ JensenZ
  • 12-07-2017
It should be 98, as A = C and B= D
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Cricetus
Cricetus Cricetus
  • 05-07-2019

Answer:

∠A=98

Step-by-step explanation:

The properties of a parallelogram says that , the opposite interior angles of a parallelogram are equal. Hence the measurement of ∠C is equal to ∠A and ∠D is equal to ∠B. Hence ∠A=98°

Also ∠D=180°-∠C, ∠C=98° , Hence ∠D=180°-98°=82°

and  ∠B=180°-∠C , ∠B=180°-98°=82°

These are called supplementary angles as there sum is 180°

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