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# Units 5 & 6

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### Units 5 & 6

1. 1. Ania Rodriguez 1ºC TECHNICAL DRAWING AND POLYGONAL SHAPES Tasks Unit 5 Ania Rodríguez 1ºC
2. 2. 1. Answer the following questions about Technical Drawing: a.- What angles can you draw using a 45º triangular set square? And with a 60º triangular set square? 45º, 60º, 105º, 15º, 90º, 165º, 150º. b.- Divide a 77 mm segment into two equal parts, using your compass. c.- Draw a straight line r and any point A on it. Starting at point A, draw a 72º angle off the line using a protractor.
3. 3. d.- A straight line can create a sense of volume. On a sheet of paper, draw a composition showing this effect. e.- Look for a picture painted by Josef Albers which he uses only black and red straight lines, and for the picture named "Homage To The Square: Glow" painted in 1966 by the same author. In which one does the painter create a sense of depth?
4. 4. Tasks Unit 6 1. Answer the following questions about Polygonal shapes: triangles and quadrilaterals: a.- What is a triangle? Write a definition. Is a flat shape formed by three straight lines that intersect each other. b.- Describe the characteristics of a quadrilateral. What quadrilaterals can you name? They have 4 sides and 4 angles & the sum of the angles is 360º. - Square - Rectangle - Rhombus - Rhomboid c.- Name and define the important lines of a triangle. - The height of a triangle: this is the measured perpendiculary to the base in a straight line to its opposite vertex. - The middle point: is the middle point of any side of a triangle. - The middle point of a segment: this is the line that joins any vertex in a triangle to the middle point of its opposite side.
5. 5. d.- What is a trapezoid? How is it different from quadrilaterals called parallelograms? Is a quadrilateral, but no a parallelogram, because none of its sdes are equal nor parallel. All its angles & diagonals are different. e.- Draw the following triangles and quadrilaterals giving step-by-step diagrams. Write simple instructions for each step. 1. A triangle with sides that measure 65, 55 and 45 mm. 2. A diamond with the longest diagonal measuring 60mm and its smallest diagonal measuring 50mm. 3. A trapezoid with sides measuring 45, 40, 35 and 30 mm and a diagonal of 50 mm
6. 6. f.- Find a picture by Richard Anuszkiewicz that uses just triangles. g.- Look for the picture "Grande Toile Grise Pour Kassel" painted by Antoni Tapies in 1964. What polygonal shapes can you see? h.- Look for a Basque Sculptor who uses mostly polygonal shapes in
7. 7. his works. i.- Look for Pablo Picasso's "Accordionist" painted in 1911 and Georges Braque's "Violin and Palette" painted in 1909. What movement do they belong to? What similarities can you see?