There are 9 students ain class 2 boys 7 girls and a teacher picks 4 at random what is the probability in the group that everyone
1 answer:
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Answer:
It is 20.9feet
Step-by-step explanation:
Answer:
x = 18 ; y = 10 ; z = 102°
Step-by-step explanation:
The triangle in the pic is an isosceles triangle.
As it is an isosceles triangle , it's two sides will be equal .
Also, both the base angles will be equal.
According to angle sum property of a triangle , sum of measure of all the angles of a triangle is equal to 180°. So,