Math

Question 1

Perimeter of a triangle

Answer 1

P=a+b+c

Question 2

Area of a triangle

Answer 2

A=1/2 bh

Question 3

area of a trapezoid

Answer 3

A= ((a+b)/2) h
a _____
/ \
b————

h: height. Line coming up the middle with right angle.

Question 4

perimeter of a trapezoid

Answer 4

p=a+b1+c+b2

Question 5

area of a parallelogram

Answer 5

A=bh

Question 6

perimeter of a paralellogram

Answer 6

p=2a+2b

Question 7

perimeter of a rectangle

Answer 7

p=2l+2w

Question 8

area of a rectangle

Answer 8

a=lw

Question 9

area of a rhombus

Answer 9

A=(d1d2)/2

Question 10

perimeter of a rhombus

Answer 10

p=2 sqrt(d1^2+d2^2)

d’s are Diagonals in the middle

Question 11

congruent sides

Answer 11

two sides of same length

Question 12

area of a circle

Answer 12

A=pi r^2
Where B= area of the base

Question 13

volume of a rectangular prism

Answer 13

V=lwh

Question 14

volume of a cube

Answer 14

V=S^3

Question 15

volume of a sphere

Answer 15

V=4/3 pi r^3

Question 16

volume of a cylinder

Answer 16

V=pi r^2h

Question 17

volume of a pyramid

Answer 17

V=1/3 Bh
Where B= area of the base

Question 18

Direct relationship

Answer 18

relationship between two variables. If one variable increases the other increases

Question 19

Negative correlation

Answer 19

between two variables. When one variable increases the other decreases

Question 20

circumference of a circle

Answer 20

2pi(r)

Question 21

finding perimeter of right triangle

Answer 21

use Pythagorean theorem
A^2+B^2=C^2
Where A and B are the shorter sides and C is the hypotenuse (long side)