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Mathematics, 13.07.2020 17:01 kseibles202
Robert is 15 years older than his sister, Helen. The sum of their ages is 63. Find their ages.
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Mathematics, 21.06.2019 21:30
*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer
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Robert is 15 years older than his sister, Helen. The sum of their ages is 63. Find their ages....
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