0
(81/4)*(sqrt(3))
The area of a triangle is expressed by 1/2 bh, where b is the base length of the triangle, and h is the vertical height. In this instance, the base is equal to 9. The height of an equilateral triangle can be found using the Pythagorean theory with a being half the length of one side of the equilateral triangle, h being the height, and c (the hypotenuse) being the length of one side of the equilateral triangle.
Thus,
a2+h2=c2
(9/2)2+h2=(9)2
h2=81-(81/4)
h=9(sqrt(3))/2
So, A=1/2 bh=1/2 (9)(9(sqrt(3))/2)=(81/4)*(sqrt(3))
Area = 1/2 * length * height
height is square root 2(9)2 = square root 2(81)=square root 192 = 13.85640646...
1/2 * 13.85640646 * 9 = 62.3538290 est. to 62.3 square inch
What else can I help you with?
What is the area of an equilateral triangle with a side of 6 inches?
15.588 square inches.
What is the area of an equilateral triangle with sides 10 inches and height of 7 inches?
Area of the equilateral triangle: 0.5*10*10*sin(60 degrees) = 25 times square root of 3 which is about 43.301 square inches to 3 decimal places. If it is an equilateral triangle with 3 equal sides of 10 inches then its height would be about 8.66 inches and not 7 inches
If an equilateral triangle measures 9 inches on each side what is the perimeter?
Area of a triangle = 1/2*base*height Use Pythagoras to find the height which is 7.794228634 inches Area = 1/2*9*7.794228634 = 35.07402885 square inches Answer: 35 square inches to the nearest square inch.
What is the area of an equilateral triangle with side lengths of 6 inches?
A triangle with side a: 6, side b: 6, and side c: 6 inches has an area of 15.59 square inches.
What is equal to the area of an equilateral triangle whose perimeter is 36 inches?
62.354 inches2
What is the area of an equilateral triangle with a side of 6 inches?
15.588 square inches.
What is the area of an equilateral triangle with a height of 9 inches?
Its area is 46.8 (46.76533) square inches.
What is the area of an equilateral triangle that has a perimeter of 21 inches?
21.20
Find the area of an equilateral triangle that has a perimeter of 21 inches Round the answer to one decimal place?
Find the area of an equilateral triangle that has a perimeter of 21 inches. Round the answer to one decimal place.
Find the area of an equilateral triangle that has a perimeter of 21 inches. round the answer to one decimal?
Area of equilateral triangle: 0.5*7*7*sin(60 degrees) = 21.2 square inches
What is the area of an equilateral triangle with sides 8 inches long?
27.713 square inches.
What is the area of an equilateral triangle with side of 10 inches and height of 7 inches?
Area of the equilateral triangle: 0.5*10*10*sin(60 degrees) = 25 Times Square root of 3 which is about 43.301 square inches to 3 decimal places. If it is an equilateral triangle with 3 equal sides of 10 inches then its height would be about 8.66 inches and not 7 inches
What is the area of an equilateral triangle with sides 10 inches and height of 7 inches?
Area of the equilateral triangle: 0.5*10*10*sin(60 degrees) = 25 times square root of 3 which is about 43.301 square inches to 3 decimal places. If it is an equilateral triangle with 3 equal sides of 10 inches then its height would be about 8.66 inches and not 7 inches
What is the area of an equilateral triangle with sides of 10 inches and 7 inches?
By definition, an equilateral triangle has all three sides of equal length! So it is impossible for it to have sides of length 10 inches and 7 inches!
What is the area rounded to the nearest tenth of a square inch of an equilateral triangle that has a perimeter of 24 inches?
Area of equilateral triangle: 0.5*8*8*sin(60 degrees) = 27.7 square inches rounded
If an equilateral triangle measures 9 inches on each side what is the perimeter?
Area of a triangle = 1/2*base*height Use Pythagoras to find the height which is 7.794228634 inches Area = 1/2*9*7.794228634 = 35.07402885 square inches Answer: 35 square inches to the nearest square inch.
What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches?
I'm showing it with absolute proof. Equilateral triangle both side are same in size & same angel.It's given with the sides of 10 inches & height 7 inches. I don't need to count the height(7),just use side(10).The formula is=Area of a equilateral triangle="root over of 3" /4 * "a square"Now I use this formula,where "a" is 10. So the answers come=43.3,which is 44.So the Correct answer is=44 inches.* * * * *Mostly correct, but:43.3 should be rounded to 43, not 44.The units for the area should be square inches, not inches.
