The surface are would be 81 bc the base area is 9 and you have four triangles with the area of 18. Add them all up and you get 81
Answer:
quadrant 3
Step-by-step explanation:
Triangle A:
y = 57.5°
x = 57.5°
Triangle B:
y = 5
x = 6.5
Triangle C:
... I apologize but I do not know what Triangle C is. Sorry!!
Triangle D:
z = 30°
x = 90°
(x+20) = 110°
SORRY THAT TOOK SO LONG--
The answer is 5:9 or 5 to 9.
Please mark me as the brainiest answer if there's a chance :)
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I think the answer is 504
hope this helps can i plz get brainliest
