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Mathematics, 30.06.2019 02:30 squawk1738
David proved the law of cosines with reference to ∆abc using a different method. arrange the steps of his proof in the correct sequence. in , (pythagorean theorem) in , (pythagorean theorem) (on simplification) (transitive property) therefore, . similarly, prove that and . (on simplification) (on simplification) draw a perpendicular, , from b to side ac. let and . therefore, .
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Mathematics, 21.06.2019 22:30
Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.
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David proved the law of cosines with reference to ∆abc using a different method. arrange the steps o...
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