Answer:
Step-by-step explanation:
77; The formula to calculating the area of a trapezoid is (a+b)/2 * c. a+b are the 2 parallel lines, and c is the height or the altitude. So, it is (10+12)/2 * 7, which is 22/2 * 7 = 11*7=77 :)
100
x = 5 × 20 = 100
.........................
it is a 90 degree angle
because the little square in the corner
Solve for x:
Look at the picture.
16.2
4*2.8+5=
