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What are the internal angles to 3 significant figures of a triangle when its perimeter is 150cm and its sides are in the ratio of 4 5 6?
Wiki User
∙ 13y ago
82.8, 41.4 and 55.8 degrees
The sides are 40cm, 50cm and 60cm so use the Cosine Rule to find the interior angles:
Cos A = (b2+c2-a2)/(2bc)
Change the formula to find the other angles
Wiki User
∙ 13y ago
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If a diameter of the semicircle is 14cmfind its perimeter?
Perimeter = Circumference/2+Diameter Perimeter = (pi*14)/2+14 = 35.99114858cm or 36cm correct to two significant figures.
How many significant figures are in 4.005?
4 (the internal 0's count)
What is the perimeter in inches and interior angles of a triangle whose vertices are at 5 9 and 14 -3 and 2 3 on the coordinated plane?
It graphs out as a right angle triangle with a perimeter of 35 inches rounded to the nearest inch with a 90 degree angle and two acute angles of 26.6 degrees and 63.4 degrees both rounded to 3 significant figures.
Area and perimeter of plane figures?
the area and perimeter of the plane figures are square ,rectangle
How many significant figures does 20.2 have?
20.2 has three significant figures.
If a diameter of the semicircle is 14cmfind its perimeter?
Perimeter = Circumference/2+Diameter Perimeter = (pi*14)/2+14 = 35.99114858cm or 36cm correct to two significant figures.
How many significant figures are in 4.005?
4 (the internal 0's count)
What is the perimeter in inches and interior angles of a triangle whose vertices are at 5 9 and 14 -3 and 2 3 on the coordinated plane?
It graphs out as a right angle triangle with a perimeter of 35 inches rounded to the nearest inch with a 90 degree angle and two acute angles of 26.6 degrees and 63.4 degrees both rounded to 3 significant figures.
Area and perimeter of plane figures?
the area and perimeter of the plane figures are square ,rectangle
How many significant figures are in 1.0054?
4 significant figures.
How many significant figures in 9400?
There are 3 significant figures in 94.2.
How many significant figures 0.03?
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
How many significant figures are in 0.1111?
There are four significant figures in 0.1111.
How many significant figures does 20.2 have?
20.2 has three significant figures.
What is the umber of significant figures in 700.0?
Trailing zeros ALWAYS count as significant figures, so 700.0 would have 4 significant figures.
How many significant figures in this number 0.025?
There are two significant figures in 0.025.
How many significant figures are in 50.000?
5 significant figures.
