Answer:
1) 46.6
Step-by-step explanation:
Given Data:
s1 of Triangle ABC= 4cm
s2 of Triangle ABC=6cm
s3 of Triangle ABC=8cm
As per the side-side-side SSS of a given triangle
the corresponding angles are found by the following law of cosine formula
cos A = (b2 + c2 − a2) / 2bc
Putting the values we get
cos A= (4^2+8^2-6^2)/2(4)(8)
cos A= (16+64-36)/64
A=cos^-0.6875
A=46.57!
I believe they are all equivalent
Ex.). If angles A, B, and C are all complementary to an angle that is 30 degrees, then all three would be 60 degrees (60+30=90)
Answer:
less than
Step-by-step explanation:
It helps if you have an example, like f(x) = 2x+3
What you typically do, is:
- draw xy axis, label them (ie., 1,2,3,4 along both axes)
- calculate the f(x) values for several x (e.g., -2, 0, 1, 3, doesn't matter).
- plot the calculated values as points. The calculated f(x) is your y value.
- sketch a smooth line through the points. It helps if you know in advance if the line is going to be straight or curved.
- The more points you calculate, the more accurate your graph will be
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