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The sum of the angles in a trapezoid is 360 degrees, therefore, the forth angle in this problem is: 360 - (60+120+80) = 100 degrees

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Related Questions

Is a zero degree angle the same as an one hundred eighty degree angle?

yes it is.


Why is a zero degree angle the same as an one hundred eighty degree angle?

Its not its the same as 360


How much is 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888?

The number 888888888888888888888888888888888 is a very large number. This number has 33 places which makes is a decillion number value. Therefore this number is eight hundred eighty eight decillion, eight hundred eighty eight nonillion, eight hundred eighty eight octillion, eight hundred eighty eight septillion, eight hundred eighty eight sextillion, eight hundred eighty eight quintillion, eight hundred eighty eight quadrillion, eight hundred eighty eight trillion, eight hundred eighty eight billion, eight hundred eighty eight million, eight hundred eighty eight thousand, eight hundred and eighty eight.


How do you spelling 181?

One hundred eighty-one.


How do you say 185285485.85?

One hundred eighty five million, two hundred eighty five thousand, four hundred eighty five and eighty five hundredths.


How do you spell 880?

Eight hundred and eighty.---The numeral 880 is written "eight hundred eighty" (or, where there is no decimal value, eight hundred and eighty).


What is the supplement of an angle whose measure is 85 degrees?

Supplement angles add up to one hundred eighty degrees, so the supplement of an eighty five degree angle would be a ninety five degree angle.


How do you spell 489?

four hundred eighty ninefour hundred and eighty-nine


How do you write 380000 in words?

380,000 = three hundred and eighty thousand


How do you spell 88840?

Eighty-eight thousand, eight hundred forty.


How do you write three hundred thousand four hundred and eighty?

Three hundred thousand six hundred and eighty


How do you write 280600.00 in words?

Two hundred eighty thousand, six hundred.