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PDB1128
A ladder leans against a house at a 60° angle to the ground. If the ladder extends to a length of 158 inches, what is the height of the house rounded to the nearest hundredth of an inch? Type the numeric answer only in the box below.
Use your special right triangle. First find the short leg which is 1/2 the hypotenuse. Then multiply the short leg by sqrt3 to find the long leg.
Half of 158 is 79 Multiply 79 by the square root of 3