a bricklayer uses a cylinder to store sand. the cylinder is 5ft. tall and has a radius of 0.5 ft. Each batch of mortar contains
1 answer:
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Answer with explanation:
Given: In △ABC with side lengths a, b, and c, and height h, a vertical line extends from angle B perpendicular to side b.
To prove:→ Area(ΔABC)
Proof:
In △ABC with side lengths a, b, and c, and height h ,
Area of ΔABC
Let perpendicular from angle , B on the side AC cuts AC at M.
Definition of sine
Area of Triangle ΔABC
-----Using Substitution Property,that is , h=a sin C
→Area = 1/2 b h
