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In the diagram, △ABC is divided into seven triangles of equal area.

Given BC = 12 cm, determine the length of EC.

Given BC = 12 cm, determine the length of EC.

mathematics, unemasculated, befitting school years 6, 7 & 8

Estimable reader:

★м

In the diagram, △ABC is divided into seven triangles of equal area.

Given BC = 12 cm, determine the length of EC.

Given BC = 12 cm, determine the length of EC.

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The diagram shows an elimination tournament amongst six teams, A-F. The winner of each game follows a blue line.

After the tournament, each team made a statement, as follows:

A: We lost our first game, but to win the tournament, we would have had to win three games.

B: We did not play A.

C: We lost to D.

D: We played B in our second game.

E: We did not play C.

F: We won our first game.

Determine the team bracket, α to ζ.

(from Twitter)

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In the diagram is right isosceles triangle ABC, with ∠A = 90°, AB = AC = 4 cm. Point B is folded over PQ so that it overlaps point D on side AC, and AD = 3 cm. Determine the length of PQ.

(from Twitter)

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