MOGEA MATH QUESTIONS AND ANSWERS
Commutative Property - Answers-Changing the order of something does not change the
end result.
Ex. 8+12=12+8
Average of a set of numbers is found by - Answers-Adding the integers in the set
together.
Then Dividing the result by the number of integers in the set
What is used to find the area of a polygon? - Answers-The apothem using formula
A=1/2ap
where a is apothem and p is permiter
The sum of Interior angles of an n-sided polygon is - Answers-(n-2)180Deg
The sum of the interior angle angles of a polygon is - Answers-Equal to the sum of the
interior angles of any other polygon with the same number of sides.
The formula for the number of diagonals a polygon has - Answers-number of
diagonals=n(n-3)/2
All congruent figures are similar, but - Answers-not all similar figures are congruent
Adjacent angles - Answers-Share vertex and side
Not adjacent angles - Answers-Share part of side, but not vertex
180 Degrees - Answers-A straight angle
Semicircle
Greater than 180 Degrees but less than 360 degrees - Answers-Reflex angle
360 Degrees - Answers-A full angle and is measured at exactly 360 Degrees
Two angles with a sum of 90 Degress - Answers-Complementary Angles
Two angles whose sum is exactly 180 Degrees - Answers-Supplementary Angles
Equilateral Triangle - Answers-A triangle with 3 Congruent sides.
3 Congruent angles, each 60 Degrees
Also, an ACUTE Triangle
Isosceles Triangle - Answers-2 Congruent Sides
2 Congruent angles opposite the two congruent sides.
, Scalene Triangle - Answers-No Congruent sides.
3 angles of different measures
Large and small angles are opposite the large and small sides.
Acute Triangle - Answers-3 angles are less than 90 Degrees
Right Triangle - Answers-1 angle equals 90 Degrees
Obtuse Triangle - Answers-1 angle greater than 90 Degrees
Pythagorean Theory - Answers-A^2+B^2=C^2
Hypotenuse - Answers-The side of a triangle opposite to the right angle
Vertex - Answers-The point where 2 rays (lines) meet
Legs - Answers-two sides opposite of the HYPOTENUSE
Perimeter of a triangle - Answers-P=A+B+C
Perimeter for an equilateral triangle - Answers-P=3s
Area of a triangle - Answers-A=1/2bh
Area of an equilateral triangle - Answers-
Area of an isosceles triangle - Answers-
Trigonometric formulas - Answers-Formulas will work for any acute angle in a right
triangle
Sin A - Answers-SinA= Opposite side/Hypotenuse= A/C
Cos A - Answers-CosA= Adjacent side/Hypotenuse=b/c
Tan A - Answers-=opposite side/adjacent side= a/b
csc A - Answers-=1/SinA= Hypotenuse/opposite side=c/a
sec A - Answers-= 1/Cos A= Hypotenuse/adjacent side= c/b
Cot A - Answers-= 1/Tan A= adjacent side. opposite side=b/a
Regular Polygon - Answers-a polygon with all sides congruent
Commutative Property - Answers-Changing the order of something does not change the
end result.
Ex. 8+12=12+8
Average of a set of numbers is found by - Answers-Adding the integers in the set
together.
Then Dividing the result by the number of integers in the set
What is used to find the area of a polygon? - Answers-The apothem using formula
A=1/2ap
where a is apothem and p is permiter
The sum of Interior angles of an n-sided polygon is - Answers-(n-2)180Deg
The sum of the interior angle angles of a polygon is - Answers-Equal to the sum of the
interior angles of any other polygon with the same number of sides.
The formula for the number of diagonals a polygon has - Answers-number of
diagonals=n(n-3)/2
All congruent figures are similar, but - Answers-not all similar figures are congruent
Adjacent angles - Answers-Share vertex and side
Not adjacent angles - Answers-Share part of side, but not vertex
180 Degrees - Answers-A straight angle
Semicircle
Greater than 180 Degrees but less than 360 degrees - Answers-Reflex angle
360 Degrees - Answers-A full angle and is measured at exactly 360 Degrees
Two angles with a sum of 90 Degress - Answers-Complementary Angles
Two angles whose sum is exactly 180 Degrees - Answers-Supplementary Angles
Equilateral Triangle - Answers-A triangle with 3 Congruent sides.
3 Congruent angles, each 60 Degrees
Also, an ACUTE Triangle
Isosceles Triangle - Answers-2 Congruent Sides
2 Congruent angles opposite the two congruent sides.
, Scalene Triangle - Answers-No Congruent sides.
3 angles of different measures
Large and small angles are opposite the large and small sides.
Acute Triangle - Answers-3 angles are less than 90 Degrees
Right Triangle - Answers-1 angle equals 90 Degrees
Obtuse Triangle - Answers-1 angle greater than 90 Degrees
Pythagorean Theory - Answers-A^2+B^2=C^2
Hypotenuse - Answers-The side of a triangle opposite to the right angle
Vertex - Answers-The point where 2 rays (lines) meet
Legs - Answers-two sides opposite of the HYPOTENUSE
Perimeter of a triangle - Answers-P=A+B+C
Perimeter for an equilateral triangle - Answers-P=3s
Area of a triangle - Answers-A=1/2bh
Area of an equilateral triangle - Answers-
Area of an isosceles triangle - Answers-
Trigonometric formulas - Answers-Formulas will work for any acute angle in a right
triangle
Sin A - Answers-SinA= Opposite side/Hypotenuse= A/C
Cos A - Answers-CosA= Adjacent side/Hypotenuse=b/c
Tan A - Answers-=opposite side/adjacent side= a/b
csc A - Answers-=1/SinA= Hypotenuse/opposite side=c/a
sec A - Answers-= 1/Cos A= Hypotenuse/adjacent side= c/b
Cot A - Answers-= 1/Tan A= adjacent side. opposite side=b/a
Regular Polygon - Answers-a polygon with all sides congruent
