Step-by-step explanation:
The formula of prism is area of right angled triangle × height
Answer:
A. n = 5
Step-by-step explanation:
S = n² + n
When S = 30:
n² + n = 30
Subtract 30 from both sides: n² + n - 30 = 0
Factorize: (n - 5)(n + 6) = 0
Therefore n = 5 or -6
As n > 2, then n = 5 only
Answer:
X = 63°
W = 60°
Y = 57°
Step-by-step explanation:
W = X - 3
Y = X - 6
X + W + Y = 180 substitute
X + (X - 3) + ( X - 6) = 3 X - 9 = 180
3X = 189
X = 63
W = 60
Y = 57
Answer:
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Step-by-step explanation:
