Mathematics, 19.07.2019 10:00 gabriellaalvarez84
In a right rectangular pyramid with base edges a=18 cm and b=10 cm the slant height towards a is k=13 cm while the slant height towards b is l=15 cm. find the surface area of the pyramid
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![SA=(18)(10)+2[\frac{1}{2}(18)(13)]+2[\frac{1}{2}(10)(15)]\\ \\SA=180+ 234+150\\ \\SA=564\ cm^{2}](/tpl/images/0107/4660/bc31e.png)
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