The triangle is an isosceles triangle because of its degrees. A triangle consists of 180 degrees therefore, 180-90-45 simply makes it 45 matching the other side.
So we can assume that side b is also equivalent to side a. Here we use the pythagorean theorem to find x
a^2 + b^2 = c^2
5^2 + 5^2 = c^2
25+25=50
The square root of 50 is 7.1
x= 7.1
The answer would be 3x+3 equals 6x << answer :)
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Answer: 180/540
Simplified term would be 1/3
The answer is b
Perimeter= 2(2x+2)+2(2x-1)
Area=(x-1)*(x-1)+(2x-1)*(x+3)
Hope it helps
I just plugged it into a math calculator and the decimal form of 1/6 would be 0.1666 repeating