I subtract c² and a² so that i can b².
I first squared the two numbers then subtract them. After that I find the square root of the difference then I got 10cm.
12.The hypotenuse of the triangle cuts the circle in half.What is the diameter of the circle? express your answer to the nearest tenth of a centimetre.
15.The coordinate grid shown was drawn on a centimetre grid paper. What is the length of the line segment AB. Express your answer to the nearest tenth of a centimetre.
the square root of 6.32.
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Here is a video to help.
I'm not sure about my answer in no.15 but I think i'm wrong.
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