Law of cosine is :
c^2<span> = a^</span>2<span> + b^</span>2<span> − 2ab cos(theeta)
</span>so in case of right triangle , angle is 90 degree:
putting 90 degrees into formula:
c^2 = a^2 + b^2<span> − 2ab cos(90)
</span>As we know that:
cos90 = 0
c^2 = a^2 + b^2<span> − 2ab (0)
</span>c^2 = a^2 + b^2<span> - 0
</span>c^2 = a^2 + b^2 ( this is <span>pythagorean theorem ).
</span>So the above statement is True.
6(u-2). I think this is the answer
Answer: 28 and 18
Step-by-step explanation:
I used the guess and test strategy to find that:
28 - 10 = 18
28 + 18 = 46
2000 is the nearest 10 thousand
Answer:
P = 20 ft
h = 2 ft
B = 10.56 ft²
Step-by-step explanation:
P = 8.8 + 8.8 + 1.2 + 1.2 = 20 ft
h = 2 ft
B = 1.2 x 8.8 = 10.56 ft²
