Description of Estonian students:

Karl Hendrik, Art

Draw a big rectangle with a ellipse on up of it. Draw a face onto the ellipse. make 2 smaller but vertically longer rectangle on both sides of the first big one. Then draw a lighting bolt to the end of the rectangle on the right. Then make 2 rectangles that go downwards from the big rectangle and at the end of both of them draw L’s facing outwards.

Data

Solution

Area of the image: 

Lithuanian students resolved the Estonian task:

Data:

R₁= 2 cm

R₂= 1,3 cm

R₃= 0,8 cm

 Solution

Area of the image: 27,16 cm²

Estonian original work

ORIGINAL

Arminas, Tautvydas

There are two rectangles on the top and the bottom of the sheet of paper. In the gap on the left side draw a big circle with a 1/4 cut. Next to it draw five small circles.

Solution

Area of rectangles:

Area of 3/4 big circle:

Area of five small circles:

Estonian students resolved the Lithuanian task:

Resolve: https://docs.google.com/document/d/1CgP2H8TqNgLx-gZCC_ae0tZe9uXkeyI1qCnvG2jMCiA/edit?usp=sharing

Solution

Area of rectangles:  37,68+34,54 =72,22(cm2)

Area of 3/4 big circle: 15,9 (cm2)

Area of five small circles: 1*0,94+4*1,3=6,14(cm2)

Lithuanian original work

ORIGINAL

Solution

Area of rectangles:136 cm², 136 cm²    

Area of 3/4 big circle: 21,23 cm²

Area of five small circles: 0,785 cm² · 5 = 3,925 cm²