An ant lives on the surface of a cube with edges of length 7cm. It is currently
located on an edge x cm which is 2cm from one of its ends. While traveling on the surface of the cube,
it has to reach the grain located on the opposite edge (also at a distance xcm which is also equal to 2 cm from one
of its ends)
(i) What is the length of the shortest route to the grain if x = 2cm? How many routes of
this length are there?javascript:void(0)
(ii) Find an x for which there are four distinct shortest length routes to the grain.
A 1.4-m tall child is standing next to a flagpole. The child's shadow is 1.2 m long. At the same time, the shadow of the flagpole is 7.5 m long. How tall is the flagpole?
hello, could you help me with this one: If you look at a coin from 2.8 meter, it looks as big as a full moon. The dictance between the moon and earth is 384000 km (swedish km). The coin got a diameter at 25 mm. Count the moons diameter.
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