Answer:
4(8+11)
Step-by-step explanation:
32 + 44 Divide the entire equation by 4 =
8 + 11 Put in parentheses and put 4 in the front =
4(8+11)
Answer:
8658 ft.
Step-by-step explanation:
Volume= length*width*height
rectangle= 21*18*13= 4914
triangle= 16*18*13= 3744
4914+3744=8658
The first working out is correct, z = 3
Answer:
The correct option is C ) 109.5°
Therefore,

Step-by-step explanation:
Given:
In Triangle DEF
d = 10
e = 18
f = 12
To Find
angle E = ?
Solution:
In Triangle DEF , Cosine Rule says

Substituting the values we get


Therefore,

............As it is in Second Quadrant
Therefore,
