Answer:
The graph in the attached figure
Step-by-step explanation:
we know that
Vertical Angles are the congruent angles opposite each other when two lines cross
see the attached figure to better understand the problem
m<ACD=m<BCE ------> by vertical angles
m<ACB=m<DCE ----> by vertical angles
Step-by-step explanation:
Answer:
3.728 cm²
90
Step-by-step explanation:
To built the envelope I am using a rectangular piece of material 28 m long and 12 m wide.
Out of this material, I have to cut patches that are 1/12 the length and 2/15 the width of the whole material.
So, the length of the patches is m and the width of the patches is
m.
Therefore, the area of the patches is (1.6 × 2.33) = 3.728 m² each. (Answer)
Now, the area of the rectangular piece of material is (28 × 12) = 336 m²
Hence, ≈ 90 such patches can be made out of the whole material. (Answer)