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You can use the 1/2 x a x b x SinC formula
Take 2 sides and an angle in between
You know the angles in an equilateral triangle are 60o each. All the sides are 8cm.
Plug the values of the sides into a and b
Plug the value of the angle into C. You get
1/2 x 8 x 8 x Sin60 = 27.7cm2
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What is the perimeter of an equilateral triangle whose sides measure 7.5 centimeters?
22.5 cm
Is the perimeter of the triangle whose sides measure 7.5 7.1 and 8.1?
is the perimeter of the triangle whose sides measure 7.5 7.1 and 8.1
Can a triangle be both acute and equilateral?
It would help to know the definitions of acute and equilateral.An acute triangle is one whose angles are all less than 90o.An equilateral triangle is one whose sides are all the same, but that also means the angles will all be the same (60o)So, every equilateral triangle will be acute.Yes, a triangle can be both acute and equilateral.
What is a equalateral triangle?
It is a triangle whose 3 sides are equal in length and its 3 interior angles each measure 60 degrees
What is the perimeter of an equilateral triangle whose side is 7cm?
It is: 3*7 = 21cm
What is the perimeter of an equilateral triangle whose sides measure 7.5 centimeters?
22.5 cm
A triangle whose sides are congruent?
An equilateral triangle
What is the perimter of an equilateral triangle whose sides measure 7.5 centimeters?
The perimeter is 22.5 centimeters.
What a equilateral triangle?
An equilateral triangle is one whose three sides are the same length.
A triangle whose sides are all congruent?
An equilateral triangle.
What is an equal triangle?
An equilateral triangle is a triangle whose three sides are equal.
What is an equallity?
An equilateral triangle is a triangle whose three sides are equal.
What adjective describes a triangle whose sides are equal?
equilateral
What is the perimeter of an equilateral triangle whose sides measures 8.5 meters?
An Equilateral Triangle has 3 equal sides so 3 X 8.5m = 25.5m
What is equelatiral triangle?
If equelatiral is meant to be equilateral, then it is a triangle whose three sides are of equal length.
What is an equilateral?
An equilateral is a polygon whose sides are all of equal length, most commonly used to refer to an equilateral triangle.
What triangle has 3 equal sides and 3 equal angels?
By definition, an equilateral triangle, which is a triangle whose sides are equals and each of its angles has 60º.
