Answer:
V =41.41³
A = 94.41²
----
V =225.16³
SA =283.25²
V = 64³
SA =113.32²
V =433.33³
SA = 378.57²
Step-by-step explanation:
Picture 2 = a = 1/2 base = 3.5 x 3.5 = 12.25 b= 5 x 5 = 25
c²= a² + b² = 3.5² + 5²
c ²= √12.25 + √25
c ²= √ 37.5 = 6.12372435696
c ² = 6.1237 missing side
Picture 1 + 2 formula SA = bh + (s1 + s2 + s3)H
V = V= 1/2 b x h h x SA
Picture 3 + 4 formula SA= a²+ 2a a² / 4 + h² V= a² h/3
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n/5 = -1/5
5n = -5
<u>n = -1</u>
n - 13 = -12
n = -12 + 13
<u>n = 1</u>
n + 15 = -10
n = -10 - 15
<u>n = -25</u>
-5n = 1
<u>n = -1/5</u>
N= -4
