Feet Foot
How high on a building will a 15-foot ladder touch if the foot of the ladder is 5 feet from the building?
1. How high on a building will a 15-foot ladder touch if the foot of the ladder is 5 feet from the building?
2. The congruent sides of an isosceles triangle measures 6 cm, and the base measures 8 cm. find the area.
1. it is a right triangle
5^2 + x^2=15^2
25+ x^2=225
x^2=200
x=square root of 200=14.14
2. these are 2 right triangle on their ends.
4^2+x^2=6^2
16+x^2=36
x^2=20
x=square root of 20=4.47
area= 1/2 base times height=4(4.47)=17.88
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