Consider the trapezium (or trapezoid) ABCD such that AD is parallel to BC.Then angles DAB and ABC are consecutive interior angles (or co-interior angles) and sum to 180 deg.Similarly, angles ADC and DCB sum to 180 deg.Therefore, the sum of all four is 180 + 180 = 360 deg.
Factorise it: (x + 5)(3x - 8)
Several options:Draw it and measure the missing side.Use coordinate geometry. You can draw the base and two of the sides since you know the angles that these lines make and their lengths. You therefore know their upper end points and so calculating the length of the fourth side is trivial.Consider the triangle ABC. Sides AB and BC are known as is angle ABC. So you can use the sine rule to calculate AC and angles CAB and ACB. Angle DAB is known so angle DAC = DAB - CAB, angle ACD = BCD - ACB. In triangle ACD, two angles are known so all three are known. Use the sine rule again to find CD.
A skillful hand; a dabster; an expert., A name given to several species of flounders, esp. to the European species, Pleuronectes limanda. The American rough dab is Hippoglossoides platessoides., To strike or touch gently, as with a soft or moist substance; to tap; hence, to besmear with a dabber., To strike by a thrust; to hit with a sudden blow or thrust., A gentle blow with the hand or some soft substance; a sudden blow or hit; a peck., A small mass of anything soft or moist.
There are an infinite number of numbers between them. If you want the onethat's exactly smack-dab right in the middle, then that's the one called the"average" of 0.16666 and 0.2 . It's 0.18333 .
There is no figure to be seen but an isosceles trapezoid will have equal base angles.
There is no figure to be seen but an isosceles trapezoid will have equal base angles.
If that is the angles of a triangle then the 3rd angle is 110 degrees
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Well, it seems like we need more info about where is point D. And also would be good to know about the angle DOB (this would be an angle that goes from A- to the center"O" and then to B. There should be an DOB. In this case, DOB would be two times the measure of DAB. Let's say that DOB is 90; so DAB is 45.
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Some words that end with "dab" include: dab, kebab, and stab.
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Dabbed is the past participle of dab.