11. Find the value of x in each of the following diagrams: 419 3x - 10° χ 40° 105° 130° 3x 2x + 10° 40° B А B A (1) (ii) (iii) Tiind the walues of ry and z in each of the following diagrams: 1
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The narrow sphere on the earth which sustain life is called biosphere
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