Chapters
Exercise 1
Determine the height, h, of the drawing below:

Exercise 2
Calculate the distance from point A to point B.

Exercise 3
Calculate the distance between points A and B.

Exercise 4
Calculate the radius of the circle circumscribed in a triangle, where
°,
°, and
.

Exercise 5
The radius of a circle measures
. Calculate the angle between the tangents to the circle, drawn at the ends of a chord with a length of
.

Exercise 6
The diagonals of parallelogram ABCD measure
(AC) and
(BD), and the angle that they form in the center is 48° 15'. Calculate the length of the sides AD and AB.

Solution of exercise 1
Determine the height, h, of the drawing below:

Solution of exercise 2
Calculate the distance from point A to point B.

Solution of exercise 3
Calculate the distance between points A and B.

Solution of exercise 4
Calculate the radius of the circle circumscribed in a triangle, where A =
°, B =
°, and a =
.

Solution of exercise 5
The radius of a circle measures
. Calculate the angle between the tangents to the circle, drawn at the ends of a chord with a length of
.

In the quadrilateral, AOBT, angles A and B are right angles.
Solution of exercise 6
The diagonals of parallelogram ABCD measure
(AC) and
(BD), and the angle that they form in the center is 48° 15'. Calculate the length of the sides AD and AB.











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