Answer:
cos (A+B+C)
Step-by-step explanation:
as A,B,C, are triangle we have A,B and C as 180
cost
The awnser would be , 4x+4adetx
Perpendicular, slope is reciprocal and opposite
so answer is C. -7
The area of a rectangle is base * altitude, and the perimeter is 2*base + 2*altitude,
base = 10cm and altitude = 7cm
Answer for angle x = 28.07
Given b=8 and c=17,
Unknown leg = 15
∠O = 61.93
∠P= 28.07