The Geometrical diccovers of Thales

Multiple Choice

Who was the first to fit a right triangle into a circle?

• Pythagoras

• Thales

• Euclid

• Apuleius

Multiple Choice

What constellation did Thales discover for the Greeks as a guiding tool?

• Ursa Minor

• The Big Dipper

• Orion

• the polar star

Multiple Choice

One angle of an isosceles triangle is 30°, and the side wall is 10 cm. Find the area of the Triangle.

• $$20\sqrt[]{2}см^2$$  

• $$\sqrt[]{625}\ см^2$$  

• $$35\ см^2$$  

• $$26\sqrt[]{5}\ см^2$$  

Multiple Choice

In the Triangle abs, points M and N are obtained from the sides AB and VS, respectively. The MN segment is parallel to the kitchen wall. If BC = 9 cm, MN = 8 cm, and AC = 18 cm, then find the length of the segment CN.

• 6 см

• 5 см

• 4 см

• 7 см

Multiple Choice

Thales predicted a solar eclipse in what year?

• 585 BC

• 584 BC

• 587 BC

• 586 BC

Multiple Choice

Who set the length of the year at 365 days and divided it, according to the Egyptian model, into 12 months of 30 days?

• Aristotle

• Diogenes

• Thales

• Euclid

Multiple Choice

the right triangle cathets have a length of 30 cm and 40 cm . Find the radius of the circle drawn in relation to it.

• 16 см

• 25 см

• 24 см

• 17 см