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PLEASE HELP!!!
What is the length of stack R M when TS = 12 cm, TP = 11 cm, and RO = 15 cm?
Round to the nearest tenth of a centimeter.

PLEASE HELP!!! What is the length of stack R M when TS = 12 cm, TP = 11 cm, and RO = 15 cm? Round to the nearest tenth of a centimeter. class=
PLEASE HELP!!! What is the length of stack R M when TS = 12 cm, TP = 11 cm, and RO = 15 cm? Round to the nearest tenth of a centimeter. class=

Verified Answer :

W0lf93

We have to calculate the length of stack RM. This is a pyramid with a rectangular base. If TS = 12 cm, then OM = TS / 2 = 12 / 2 = 6 cm. And since we already know that RO = 15 cm, we will use the Pythagorean theorem: RM^2 = 15^2 + 6^2; RM^2 = 225 + 36 = 261; RM = sqrt ( 261 ) ; RM = 16.1555 ( or 16.2 rounded to the nearest tenth ). Answer: RM = 16.2 cm.

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