Mrs. Timmons Geometry Eoc Formulas

The area of a parallelogram is calculated by multiplying the base and the height of the parallelogram. This formula works for all parallelograms, regardless of their orientation or size.

The correct formula to calculate the area of a rectangle is to multiply the base by the height. It is not calculated by multiplying the length by the width, diameter by radius, or perimeter by height.

The correct formula for the area of a triangle is calculated by multiplying half of the base by the height.

The formula for the area of a kite is calculated by multiplying half the product of its diagonals.

The area of a rhombus is calculated by multiplying half of the product of its diagonals.

The correct formula for finding the area of a Trapezoid involves multiplying the height by half the sum of the two bases.

The correct formula to calculate the area of a regular polygon is 1/2 x perimeter x apothem. This formula takes into account the relationship between the perimeter and apothem of the polygon to accurately determine its area.

The Pythagorean Theorem states that in a right-angled triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the other two sides (a and b). Therefore, the correct formula is a^2 + b^2 = c^2.

The correct formula for calculating the area of a circle is pi multiplied by the square of the radius (pi x radius^2). Option 1 is incorrect as it incorrectly doubles the value of pi. Option 2 incorrectly uses the diameter instead of the radius. Option 3 incorrectly divides the radius by pi instead of squaring it.

The correct formula for calculating the circumference of a circle is 2 x pi x radius. This formula takes into account the relationship between the radius of the circle and the total distance around its perimeter.

The standard equation for a circle is (x - h)^2 + (y - k)^2 = r^2, where (h, k) represents the center of the circle and r represents the radius.

The correct formula to find the sum of interior angles of a polygon is (number of sides - 2)180. This formula holds true for all polygons regardless of the number of sides.

The sum of exterior angles of any polygon, regardless of the number of sides, always add up to 360 degrees. This is a fundamental property of polygons.

The exterior angles of a regular polygon always add up to 360 degrees, so to find the measure of one exterior angle, you divide 360 by the number of sides.

In a right triangle, the sine of an angle is defined as the ratio of the length of the side opposite the given angle to the length of the hypotenuse.

The cosine of an angle in a right triangle is defined as the length of the adjacent side divided by the length of the hypotenuse. Therefore, the correct answer is adjacent/hypotenuse.

The correct trigonometric function used in this scenario is the tangent function, which is defined as the ratio of the side opposite an angle to the side adjacent to the angle. This is commonly represented as Tan.

The correct formula for finding the volume of a cone is 1/3 x Area of Base x height. This formula accounts for the fact that a cone is a three-dimensional shape with a curved surface extending from a circular base.

The correct formula for calculating the volume of a pyramid is half of the base's area multiplied by the height. This formula is derived from the fact that a pyramid's volume can be seen as one-third of the volume of a prism with the same base and height.

The correct formula to calculate the volume of a prism is the area of the base multiplied by the height, as the volume of a prism is equal to the area of the base times the height.

The correct formula for calculating the volume of a cylinder is by multiplying the area of the base by the height. The other options do not correctly represent the formula for finding the volume of a cylinder.

The formula for finding the volume of a sphere is 4/3 x pi x radius^3, which incorporates the 3-dimensional aspect of a sphere.

The surface area of a sphere is calculated by multiplying 4, pi, and the square of the radius. The incorrect answers do not account for the correct formula of squaring the radius.

The midsegment of a triangle is a line segment joining the midpoints of two sides of a triangle. The length of the midsegment is calculated by taking half of the length of the base.

The midsegment of a trapezoid is defined as the segment connecting the midpoints of the two non-parallel sides. Its length is calculated by taking the average of the lengths of the two bases of the trapezoid.