1.A 20 ft. ladder is placed against a wall that the foot of the ladder is 4 ft. from the base of the wall and in the same horizontal plane. Find what is the height does the ladder reached?
2.When the direction of the sun makes an angle of 35.2° with the horizontal, an oil derrick casts a shadow of 150 ft. How high the derrick is?
3.On the spelling test, Jorge missed 4 words and was marked 92%. Find out how many words are there in the test.
4.Mrs. Silva spent 4/5 of her money and found she had P12 left. Find how much she had at first?
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arrow_forwardStep 1We are authorized to answer one question at a time, since you have not mentioned which question you are looking for, so we are answering the first one, please re-post your question separately for the remaining questions.arrow_forwardStep 2Schematic diagram of the given problem as per the statement:Calculate the height h by using Pythagoras theoremPythagoras theoremL2=b2+h2h=L2-b2=202-42=384=19.59≈19.6 ftarrow_forwardStep 3hence, the height of the wall upto which the ladder will reach is 19.6ft. ...