Question

what is the formula of ar of triangle ​

Answer 1

Answer:

Triangles: Area

A triangle is a polygon with three sides.

We know that the area of a rectangle is b×h , where b is the base and h is the height of the rectangle. Using the formula for the area of a rectangle, we can find the area of a triangle.

A diagonal of a rectangle separates the rectangle into two congruent triangles. The area of each triangle is one-half the area of the rectangle.

So, the area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle.

Answer 2

A circle is 360° all the way around; therefore, if you divide an arc's degree measure by 360°, you find the fraction of the circle's circumference that the arc makes up. Then, if you multiply the length all the way around the circle (the circle's circumference) by that fraction, you get the length along the arc.

formula: This angle measure can be in radians or degrees, and we can easily convert between each with the formula π radians = 180° π r a d i a n s =