Euclidean geometry Grade 12 Questions and Answers

Euclidean geometry Grade 12 Questions and Answers:Euclidean geometry is a mathematical system attributed to Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements. Euclid’s method consists in assuming a small set of intuitively appealing axioms, and deducing many other propositions from these.

Types of triangles 

Name	Diagram	Properties
Scalene		All sides and angles are different.
Isosceles		Two sides are equal in length. The angles opposite the equal sides are also equal.
Equilateral		All three sides are equal in length and all three angles are equal.
Acute-angled		Each of the three interior angles is less than 9090°.
Obtuse-angled		One interior angle is greater than 9090°.
Right-angled		One interior angle is 9090°.

Congruent triangles (EMCJ2)

Condition	Diagram
SSS(side, side, side)	△ABC≡△EDF△ABC≡△EDF
SAS(side, incl. angle, side)	△GHI≡△JKL△GHI≡△JKL
AAS(angle, angle, side)	△MNO≡△PQR△MNO≡△PQR
RHS(9090°, hypotenuse, side)	△STU≡△VWX△STU≡△VWX

Source:https://intl.siyavula.com/read/maths/grade-12/euclidean-geometry/08-euclidean-geometry-01

Euclidean Geometry Grade 12 Questions and Answers (Downloadable pdf)

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