What are lines that intersect from right angles
1 answer:
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Answer:
<em>y = 12.3 cm</em>
Step-by-step explanation:
This is a right triangle, so we can use sin,cos, or tan to solve this.
First, with respect to the angle 35 degrees, we can say "y" is the "adjacent side".
Also, the hypotenuse is given as 15.
<em>Which trig ratio relates adjacent and hypotenuse? That is COS. So we can write and solve the equation below:</em>
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<em>Rounded to 1 decimal place (nearest tenth) , </em>
<em>y = 12.3 cm</em>
Answer:
At The given rate, the area of floor that Jessica can wax is 33.3 m²
Step-by-step explanation:
Given as :
The area of floor waxed = 20 square meters
The time taken to waxed 20 square meters floor = hours
Let The area of floor waxed per hour = A m²
<u>Now, Applying unitary method</u>
∵ In hours, The area of floor waxed = 20 m²
∴ In 1 hour , The area of floor waxed = m²
I.e In 1 hour , The area of floor waxed = m²
Or, In 1 hour , The area of floor waxed = = 33.3 m²
Or, In 1 hour The area of floor waxed = A = 33.3 m²
Hence, At The given rate, the area of floor that Jessica can wax is 33.3 m² Answer
Why?
We have the isosceles right triangle. The length of legs are 6. Use the Pythagorean theorem:
In general, the formula for calculating the hypotenuse in an isosceles right triangle is
a - a leg, h - a hypotenuse