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What are not congruence theorems?
I am guessing you are interested in triangles. Here are two false triangle congruence theorem conjectures.1, If the angles of one triangle are equal respectively to the angles of another triangle, the triangles are congruent. ( abbreviated AAA).2. If two sides and one angle of a triangle are equal respectively the two sides and one angle of another triangle, the triangles are congruent. (abbreviated SSA)Comment: Draw triangles with pairs of equal sides but in which the included angle between the equal sides is acute in one case and obtuse in the others.
Which arrangement cannot be used to prove two triangles congruent?
SSA
Why is SSA not a congruent shortcut?
SSA is ambiguous. If A is not a right angle, then there are two possible configurations for the triangle. So they need not be congruent.
What is the specific surface area of ordinary cement?
The cement SSA (specific surface area) usually is 350-400 m2/g, better to use one gas sorption analyzer to determine it---GOLD APP INSTRUMENTS.
