Answer:
30
Step-by-step explanation:
let EFH = x
Let GFH = y
x + y = 90
x = 2y
Substitute: 2y + y = 90
3y = 90
y = 30
28 each book 155-15=140 and then 140÷5=28
Answer:3
Step-by-step explanation:
25+3=28
Answer: 7 root 3 or simplified = 12.12435565 = 12.12 (2 d.p)
Step-by-step explanation:
tan(30) = 7 / x
x= 7/ tan(30)
x= 7 root 3
Answer:
Option B is correct.
The reflection rule is followed here is,
.
Explanation:
Since, the triangle is reflected over the x-axis , then only y- coordinates will get changed but the x coordinates will remain the same.



Therefore, the only reflection rule on the coordinate plane that verifies the triangle are congruent when reflected over x-axis is, 