90.6
Formula: AL= πr[sqrt(h^2+r^2)]
Let's solve your equation step-by-step.<span><span><span><span> x2</span>+<span>5x</span></span>−6</span>=0</span><span />
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</span>Step 1: Factor left side of equation.<span><span><span> (<span>x−1</span>)</span><span>(<span>x+6</span>)</span></span>=0</span>
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</span>Step 2: Set factors equal to 0.<span><span><span> x−1</span>=<span><span><span><span><span>0</span> or </span></span>x</span>+6</span></span>=0</span><span>
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</span><span><span>x=<span><span><span><span>1</span> or </span></span>x</span></span>=<span>−<span>6</span></span></span>
Pretty sure it’s A.
The first one has 2, the second has 3 , and the third has 4, guessing that the next would have 5 which is a
Hope this helps!:)
The perimeter of the triangle is : 12.6.
This result is obtain by the use of triangle perimeter formula :

Where : a is the distance between the points A and B
b is the distance between the points B and C
c is the distance between the points C and A