4 is the proportion because 8 + 4 is 12 then keep adding 12 + 4 = 16 + 4 = 20 So that mean it is proportional I hope that helps.
Answer:
Option A
Step-by-step explanation:
Because the cosine of beta is : cos(B) = BC/AB
Answer:
sorry sorry don't know this
70+68= 138
138 is the answer because by the triangle sum theorem says all the inside angles of a triangle equal 180 degrees and a straight line is 180 degrees so to find x you just must add up the other two sides of the triangle
<span>In two similar shapes, the ratio of their corresponding sides is called the scale factor. To find the scale factor, find two corresponding sides, one on each shape. Write the ratio of one length to the other to find the scale factor from one shape to the other :) hope this helps! </span>