1. TOOLS
UNIT 1
TECHNICAL DRAWING

3. What’s this? Set square
How are its sides? It has all unequal
sides.

5. 1) What’s a ruler used for?
a) measuring angles
b) measuring straight lines
c) measuring and drawing angles
d) measuring and drawing straight lines

24. IT’S AN OBJECT USED IN IT’S AN OBJECT USED IN
TECHNICAL DRAWING. TECHNICAL DRAWING.
IT’S A SCALENE TRIANGLE. IT’S AN ISOSCELES TRIANGLE.
ALL THREE SIDES ARE TWO SIDES ARE EQUAL AND
UNEQUAL. ONE OF THEM IS DIFFERENT.
THE THREE ANGLES ARE ALL IT HAS TWO ANGLES OF THE
DIFFERENT IN MEASURE. SAME MEASURE AND ONE OF
THE MAIN ANGLE IS 90 THEM IS DIFFERENT.
DEGREES AND THE OTHER THE MAIN ANGLE IS 90
TWO ARE 30 AND 60 DEGREES DEGREES AND THE OTHER
RESPECTIVELY. TWO ARE 45 DEGREES.
THE SIDES THAT FORM THE THE SIDES THAT FORM THE
RIGHT ANGLE ARE RIGHT ANGLE ARE
PERPENDICULAR TO EACH PERPENDICULAR TO EACH
OTHER. OTHER.
IT IS USED TO DRAW IT IS USED TO DRAW
PARALLEL LINES. PARALLEL LINES.

25. IT’S AN OBJECT USED IN IT’S AN OBJECT USED IN
TECHNICAL DRAWING. TECHNICAL DRAWING.
IT’S SHAPED LIKE HALF A IT’S USED FOR DRAWING
CIRCLE / A SEMICERCLE or CIRCLES, ARCS, ANGLES or
CIRCUMFERENCE. OTHER GEOMETRICAL
CONSTRUCTIONS.
IT’S USED TO MEASURE THE
EXACT SIZE OF AN ANGLE IN IT CAN HAVE AN ADAPTER IN
TERMES OF THE NUMBER OF OTHER TO USE A FELT PEN.
DEGREES BETWEEN 0º AND
180º or 0º AND 360º THERE ARE TWO ARMS IN A
COMPASS. ONE ARM IS SHARP
THERE ARE USUALLY TWO AND OTHER ARM CAN HOLD
SETS OF NUMBERS ON A A PENCIL FOR
PROTACTOR; ONE SET CONSTRUCTION
RUNNIMG FROM LEFT TO
RIGHT. THE HALFWAY POINT
OF EVERY PROTACTOR IS 90º,
NAMELY THE RIGHT ANGLE.
IT’S ONLY WRITTEN ONCE.

26. IT’S AN OBJECT USED IN
TECHNICAL DRAWING.
IT’S USED FOR MEASURING
AND DRAWING STRAIGHT
LINES.
IT’S MARKET WITH UNITS
OF MEASUREMENT
CENTIMETRES AND
MILLIMETRES.

28. What is this?
What kind of drawing is it used in?
What is the name of this polygon?
How are its sides?
How are its angles?
How many degrees do its angles have?
What is it used for?

29. THIS IS A SET SQUARE
IT IS USED IN TECHNICAL
DRAWING
IT’S A SCALENE TRIANGLE

30. ALL ITS SIDES ARE UNEQUAL
THE MAIN ANGLE IS 90 DEGREES
AND THE OTHER TWO ARE 30
AND 60 DEGREES
RESPECTIVELY
IT IS USED FOR DRAWING

31. What is this?
What kind of drawing is it used in?
What is the name of this polygon?
How are its sides?
How are its angles?
.What do its angles measure?
What is it used for?

32. THIS IS A SET SQUARE
IT IS USED IN TECHNICAL DRAWING
IT’S AN ISOSCELES TRIANGLE.
IT HAS TWO EQUAL SIDES AND A DIFFERENT
ONE

33. IT HAS TWO EQUAL ANGLES AND
THE THIRD ONE IS RIGHT
THE MAIN ANGLE IS 90 DEGREES
AND THE OTHER TWO ARE 45
DEGREES
IT IS USED FOR DRAWING
PARALLEL LINES.

34. What is this?
What kind of drawing is it used in?
What is the name of this geometric figure?
What is it used for?
How many degrees can you calculate using it ?

35. THIS IS A PROTRACTOR
IT IS USED IN TECHNICAL
DRAWING.
SEMICIRCLE

36. IT IS USED FOR MEASURING
AND DRAWING ANGLES
YOU CAN CALCULATE FROM 0
DEGREES TO 180 DEGREES OR
180 DEGREES TO 0 DEGREES

37. What is this?
What kind of drawing is it used in?
What is it used for?
How is it divided?

38. THIS IS A RULER
IT IS USED IN TECHNICAL DRAWING.
IT IS USED FOR MEASURING AND DRAWING
STRAIGHT LINES
IT’S DIVIDED IN CENTIMETRES AND MILLIMETRES

39. What is this?
What kind of drawing is it used in?
What is it used for?
What does it consist of?
What do you need to label a circle?

40. THIS IS A
COMPASS
IT IS USED IN TECHNICAL
DRAWING.
YOU HAVE TO USE IT TO DO CIRCLES,
SEMICIRCLES, ANGLES AND
CIRCUMFERENCE

41. IT CONSISTS OF 2 ARMS. ONE
OF THEM IS SHARP AND THE
OTHER CAN HOLD A PENCIL
I NEED AN ADAPTER

43. What is this?
Description
What it used for?

44. MULTIPLE CHOICE about
tools
Choose the correct answer :
1)What’s this ? 6) A scalene triangle is a triangle in which...
a) 60º, 30º, 80º set square a) all three sides are equal
b) 60º, 30º, 90º set square b) all three sides are diferent
c) 45º, 45º, 90º set square c) two sides are equal
d) T- square d) two sides are diferent an two sides are equal
2)What’s a ruler used for? 7) Which of the instruments listed below has an adapter?
a) measuring angles a) The protractor
b) Measuring straight lines b) the set square
c) Measuring and drawing angles c) The compass
d) Measuring and drawing straight lines d) The ruler
3)A protractor is used for... 8) In order to draw parallel lines you use...
a) mesasuring angles a) a compass
b) Drawing circles b) a ruler
c) Drawing and measuring semicircles c) a protractor
d) Measuring and drawing angles d) a set square
4)How many right angles does a set square have? 9) 90º is the half way point of every...
a) one a) compass
b) three b) ruler
c) two c) protractor
d) none d) set square
5)A 45 set square is ... 10) A ruler is divided in...
a) An isosceles triangle a) metres
b) an equilateral triangle b) centímetres
c) a scalene triangle c) inches
d) a rectangle d) centímetres and milà metres
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