Answer:
square,rectangle,rhombus,paralellagram
Step-by-step explanation:
To find the percent, first divide the part by the whole.

Now divide:

You have your answer as a decimal. To change your decimal into a percent, move the decimal point 2 places to the right and add a percent sign.
First move the decimal point:

Now add the percent sign:

30% of 50 is 15
Answer:16 is x
Step-by-step explanation:
this is a equilateral triangle witch means the sides are the same. 3x is more than 2x so they put - 8 to get to 2 x and 8 times 2 is 16 and there you go.
Answer:
first option
Step-by-step explanation:
the area of a rectangle is
base*height

so the sum is

which is the first option
Each of the triangles are equal in base length, height, and area. Remember the formula for the area of a triangle. The area of any triangle is 1/2 times the length of the base (which, in the polygon, is the length of a side) multiplied by the height (which is the same as the apothem in regular polygon).