You have to multiply 38.1 times 38.1 so it would be
38.1*38.1 = 1451.61 square cm<span>
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- We know, sum of all angles of a triangle is 180°.
- Therefore, by the problem
72 + 64 + (4x+20) = 180
or, 156 + 4x = 180
or, 4x = 180 - 156
or, 4x = 24
or, x = 24 ÷ 4 = 6
<h3><em>Your </em><em>answer </em><em>is </em><em>6</em><em>.</em></h3>
10x5 is the best soulition !
Answer:
x ≈ 65.4 °
Step-by-step explanation:
cos x = 
Cos x = 
Cos x = 0.4167
x = Cos⁻¹ (0.1467)
x ≈ 65.4 °
Answer:
C) Ken added 19 to both sides of the equation rather than subtracting 19.
Step-by-step explanation:
I Just Took The Test On Edge