Q9 of 186 Page 258

State Pythagoras’ theorem.

Pythagoras’ Theorem: In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.


More from this chapter

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7

State the SSS-criterion for similarity of triangles.

 8

State the SAS-similarity criterion.

 10

State the converse of Pythagoras’ theorem.

 11

If D, E and F are respectively the midpoints of sides AB, BC and CA of ΔABC then what is the ratio of the areas of ΔDEF and ΔABC?