Step-by-step explanation:
- step 2

Answer:
20 cm
Step-by-step explanation:
Since it is a rectangle, we know that there are two pairs of sides the same length. All we have to do is add each number by itself, and add those numbers together, or you can envision it like this graph I made.
4+4=8
6+6=12
8+12=20
Answer:
<h2>x = 19</h2>
Step-by-step explanation:
There are the vertical angles. The vertical angles are congruent. Therefore we have the equation:
<em>add 8 to both sides</em>

<em>subtract 6x from both sides</em>

Answer:
A
Step-by-step explanation:
ABC triangle is 1/2 the size of DEF triangle. In order to transform ABC to DEF, the scale has to be doubled and the point on the y-axis has to move down to 10
Answer:
14 MUST CHECK TO SEE IF IM CORRECT
Step-by-step explanation:
a+b>c
the two smallest numbers added together must be greater than the greatest number
ex: the triangle has three sides; 2,3,4 it could form a triangle because 2+3>4
SO HERE:
THE NUMBER MUST BE GREATER THAN 13 ADN THE SMALLEST WHOLE NUMBER GREATER THAN 13 IS 14