Given triangle is a right angle triangle so we are allowed to use trigonometric formulas.
We want to find Hypotenuse using angle A and base 7 cm
so right choice is to use cosine
Hence value of side AB is approx 7.72 cm.
Answer:y=Mx+b
Step-by-step explanation:
The area of the rectangle portion is base times hight, in this case 6 * 10, which we get 60 for. Next to find the area of the triangle we calculate 1/2 base times hight, or 1/2 6 * 7, which we get 21 for. 60 + 21 = 81m^2
Answer:
A. 1.2x = 78
B. x = 65
Step-by-step explanation:
Just informally, first:
x is the number that we don't know. 120% of that number is a number BIGGER than that number. 120% of x is 78. So 78 is BIGGER than the number that we don't know.
120% of x = 78
Change 120% to a decimal by moving the decimal two places to the left. Multiply.
1.2x = 78
To solve, divide both sides by 1.2
x = 78/1.2
x = 65
