The formula for area of a trapezoid is

so you add up the bottom base (17) and the top base (3) to get 20.
you then take the sum of the bases (20) times the height (8) to get 160.
lastly, you take 160 ÷ 2 to get your final answer, which is 80 (:
Answer:
the first one because supplementary means angles which add up to 180 and 180 degrees is a straight line and the third one because they both share the same vertex and side
Step-by-step explanation:
Answer:
15813.64 rounded to nearest hundredth
Answer:
I'm not sure but at least i tried
Answer:
0.15
Step-by-step explanation:
Given expression
3 tenths- 3 twentieth
⇒

Therefore value of given expression is 0.15