9514 1404 393
Answer:
88 square inches
Step-by-step explanation:
The figure can be divided into two congruent trapezoids, each with bases 7 and 4 inches, and height 8 inches. Then the total area is ...
A = 2(1/2)(b1 +b2)h
A = (7 +4)(8) = 88 . . . . square inches
Answer:
a.b=[-1]
Step-by-step explanation:
This is a dot product of a and b
a.b =[6,-2,3].[2,5, -1] = [12-10-3] =[-1]
Answer:
y = 0
Step-by-step explanation:
The image is reflected across the y-axis
20 % = 225
1% = 225 / 20
100% = 225 * 100 / 20
= 1125 answer
Try 9cm but I’m not quite sure please reply if it’s wrong or right