Answer:
0.81
Step-by-step explanation:
Well we need to see the figure mate. In order to compare it
3x9=27
21/3 = 7
so
7+27x9+5
27x9=243
243+7+5
answer is 255
There are 4 pairs of overlapping triangles that I can see that are congruent. Two pairs share vertically opposite angles.
One more pair have right angles at the bottom of the rectangle.
One other pair have right angles at the top of the rectangle.
