Answer:
Step-by-step explanation:
1/4 + 2/8 + 3/6 = 1
<span>Trapezoid area = ((sum of the bases) ÷ 2) • height
</span><span>Trapezoid area = [(8.2 + 5.9) /2] * 10
</span><span>Trapezoid area = (14.1 / 2) * 10
</span><span>Trapezoid area =7.05 * 10
</span><span>Trapezoid area = 70.50
</span>
Source:
http://www.1728.org/quadtrap.htm
Ok, we know that there are 270 degrees in a triangle, so just add 49+57, the you'll get 106, 270-106=164. ANSWER: 164
7x+2=23
Move 2 to the other side
7x=23-2
7x=21
To isolate the x divide both sides by 7
x=3
To check plug the value of x back in
7(3)+2=23
21+2=23
23=23