First, you need to know what a complementary angles are.
They are two angles that add up to 90 degrees.
If the number multiplied by 2 is 90, just to 90/2.
This gives you 45
Answer:
a
Step-by-step explanation:
because do sin 48 x X to find it
Answer:
this is the answer
0 = x2 + 3x + 2
Step-by-step explanation:
First, find the length
L^2+W^2=D^2 )L for length, W for width, D for diagonal)
L^2=25^2-15^2=625-225=400
L=20
A=1/2 of L*W= (1/2)*20*15=150 square inches
