a ladder is leaning against the side of the house the ladder is 4.2 m long and the base of the ladder is 1.3 m from the side of the house. How far up does the ladder reach? Draw a diagram then solve the problem help plsss
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Answer:15.95m
Step-by-step explanation:
By using hypothenus formula
Base sq.+perpendicular sq.=hypothenus sq.
(1.3)^2+(x)^2=(4.2)^2
(x)^2=(4.2)^2-(1.3)^2
x^2=(4.2-1.3)(4.2-1.3)
a^2-b^2=(a-b)(a+b)
x^2=5.5×2.9
=√15.95
=3.9
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