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erm200308 erm200308
  • 02-06-2015
  • Mathematics
Answered

A quadrilateral has two right angles. The measure of the third angle is 99 degrees. What is the measure of the fourth angle.

Verified Answer :

annabellthegrea
annabellthegrea annabellthegrea
  • 02-06-2015


since it is a quadrilateral, all the sides will add to 360. If two angles are 90, and one is 99, add them and subtract from 360. The last angle should be 81 degrees.

Answer Link
cclemeno cclemeno
  • 02-06-2015

THE INTERIOR MEASURE OF A QUADRILATERAL IS 360 DEGREES

ADD
90+90+99 AND SUBTRACT THE TOTAL FROM 360

360-279= 81

81 DEGREES IS THE MEASURE OF THE FOURTH ANGLE

HOPE HIS HELPS

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