Answer:
The answer to your question is: length = 10.4 units
Step-by-step explanation:
Data
It's a right triangle with angles 30°- 60°- 90°
I'll solve this exercise with the function sine and cosine
a) sin 60 = long leg / hypotenuse
long leg = hypotenuse x sin 60
long leg = 12 x 0.87
lon leg = 10.4 units
b) cos 30 = long leg / hypotenuse
long leg = hypotenuse x cos 30
long leg = 12 x 0.87
long leg = 10.4 units
Answer:
Option a and b are correct
Step-by-step explanation:
According to the triangle inequalities rule, sum of two sides of triangle must be greater than the third side.
The two sides given are 15 cm and 19 cm
Their sum is: 15+19 = 34
So, the third side should be less than 34
i.e if third side is x then 0<x<34
So, from given options value of x can be 6 cm or 4 cm
Option a and b are correct.
The area of the shape is the same as
Area of the rectangle - Area of the semi-circle.
From the picture, the length and the width of the rectangle are 11 and 8 respectively so the area of the rectangle will be 8 * 11 = 88 unit^2.
From the picture, the diameter of the semi-circle is 8 and so the radius is 4.
Using the area of a semicircle formula:
A =
A = unit^2.
Hence, the area would be 88 - 25.12 = 62.9 unit^2
Answer:
B
Step-by-step explanation:
62 pins in total = 16 pins at the fair + 13 pins at camp + x pins collected in the parade