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SOLUTION OF RIGHT - ANGLED TRIANGLES

SOLUTION OF OBLIQUE - ANGLED TRIANGLES

ONE SIDE AND TWO ANGLES KNOWN.

Example: Known side a, with angles A, and B, also known. Then:

TWO SIDES AND THE ANGLE BETWEEN THEM KNOWN.

Example: Known sides a, and b, with angle C, between them. Then:

TWO SIDES AND THE ANGLE OPPOSITE ONE OF THE SIDES KNOWN.

Example: Known angle A, with a, being the opposite side, and b, the other side. Then:

ALL THREE SIDES KNOWN.

Example: Known sides a, b, and c, and the angles opposite them A, B, and C. Then:

AREAS AND DIMENSIONS OF PLANE FIGURES

SQUARE

RECTANGLE

PARALLELOGRAM

RIGHT- ANGLED TRIANGLE

ACUTE- ANGLED TRIANGLE

OBTUSE- ANGLED TRIANGLE

TRAPEZIUM / TRAPEZOID *

* USA

TRAPEZOID / TRAPEZIUM *

* USA

HEXAGON