The last 2 numbers ................not the answer
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Answer:
x= y+9/4
Step-by-step explanation:
Since BD is the angle bisector of ∠ ABC,
∠ ABD = ∠ CBD --- (1)
Now, in triangles Δ ABD and Δ CBD,
BD = BD (common side)
∠ ABD = ∠ CBD from (1)
AB = BC (Given)
Hence, Δ ABD ≅ Δ CBD (SAS Rule).
Find the area of the base of the pyramid, then find the area of each side then add the areas. hope this help :)