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18-09-2017
Mathematics

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Diagram 6(b)(i) shows a regular pentagon PQRST and a right-angled triangle RUV. Find the value of x.

Diagram 6bi shows a regular pentagon PQRST and a rightangled triangle RUV Find the value of x class=

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KyoMani KyoMani

18-09-2017

x = 45 degrees

If each angle of a triangle sums up to 180 degrees, then subtract 90 from 180 and split the difference in half to get the other angles

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