I need to know the surface area. The formula is Area Of Base + Area of lateral faces
1 answer:
Answer:
<h2>215.1 yd²</h2>
Step-by-step explanation:
We have three triangles with base b = 9yd and height h = 10yd, and one triangle in the base of pyramid with base b = 9yd and height h = 7.8yd.
The formula of an area of a triangle:

Substitute:

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V= 11. If you divide the product 55 by 5 you get Vidya's age.
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Answer:
Option D.
Step-by-step explanation:
==>27
r = 3
9r
which means 9x3 = 27.
D. X and y values written in the form of (x,y)
Answer:
(
4
a
+
4
b
+
3
)
(
2
a
+
2
b
−
3
)
Step-by-step explanation:
6 units (or whatever you’re measuring in)
Each little square represents 1 unit.