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Pentru semidreapta [DC punctul D indica

• O litera

• Sensul

• Originea

• O dreapta

Doua semidrepte opuse au aceeasi

(a)  

Look at the figure below and complete to obtain true statements: a. ^EBC=^............+^............. b. ^EAB+^BAC=^............. c. ^ECD-^ECA=^..............

• EBA

• CBE

• EBC

• EAC

In the given figure, AC∩DE={B}. Fill in accordingly: aAB and a are lines ..............., hence we write ............

• parallel, AB

• intersecting, AB

• perpendicular, AB

• concurrent, AB

Complete the spaces to obtain true statements related to geometry elements.

• Angles

• Lines

• Polygons

• Circles

For the obtuse angle ^AOB, it has ............ degrees.

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is the result of 17°25' + 12°45'?

• 29°10'

• 30°10'

• 29°20'

• 30°20'