Show:
Units
Ángles
Right triangles
Areas & perimeters
Polyhedrons
100
What is a square meter?
It is defined as the area of a square whose sides measure exactly one metre.
100
What are complementary angles?
Those which sum up one right angle.
100
What does the Pythagorean theorem say?
In a right triangle, If I know the lengths of two sides, I can calculate the length of the third one.
100
What is the perimeter of a polygon?
It is the sum of the lengths of its sides.
100
How many regular polyhedrons are there?
5
200
What is the best unit to express the capacity of a can of soft drink?
centiliters
200
Calculate the angles of the figure (angles200)
D = 126 y E = 63
200
How do we recognize the hypotenuse in a right triangle?
It is the opposite side to the right angle.
200
What is special about trapeziums among the rest of quadrilaterals?
They have one pair of parallel sides.
200
Why a cylinder is not a polyhedron?
Its faces are not polygons
300
How many positions do you have to move the decimal comma to express cubic meters as cubic kilometers?
9 positions to the left
300
What can we say about 2 angles with parallel sides?
They are either equal angles or suplementary angles.
300
What is the length of the diagonal of a square whose side measures 1 meter?
1,42 meters
300
Calculate the area and the perimeter of this figure (a&p 300)
40 metres and 60 square meters
300
How do we calculate the volume of a prism?
We multiply the area of the base by the height of the prism.
400
How many euros will I get for 1230 Japanese yens if my bank changes 3,4 euros for every 125 yens?
33,46 euros
400
Divide 107º 29' 48'' by 21
5º 7' 8''
400
What is the tunnel length? (pythagoras400)
50m
400
Calculate the area of this figure (a&p 400)
66,99 square milimeters
400
How many edges does a tetrahedron have?
6
500
Express 3,24 hours in hours, minutes and seconds.
3 h 24 min 24s
500
What is an altitude of a triangle?
An altitude of a triangle is a straight line through a vertex and perpendicular to (i.e. forming a right angle with) the opposite side.
500
Calculate the altitude of an equilateral triangle whose side measures 2 meters.
1,73 metros
500
Calculate the area of this figure. (a&p 500)
84 square meters
500
How many cubic centimeters fit in a hexahedron whose edge measures 1 meter?
1 million.