Answer:
Step-by-step explanation:
Given equation:
To find the angle measure of
Solution:
In order to find the angle measure , we will isolate
on left side by carrying out math operations on both sides.
We have:
Subtracting both sides by
Subtracting both sides by 1°.
Dividing both sides by 3.
Converting fraction to mixed number by dividing and writing the quotient as whole number and the remainder as numerator.
∴ (Answer)
Answer:
Step-by-step explanation:
Given: DE║BC
To prove:
Statements Reasons
1). DE║BC 1). Given
2). ∠1 ≅ ∠4, ∠3 ≅ ∠4 2). Corresponding angles theorem
3). ΔADE ~ ΔABC 3). AA Similarity theorem
4). 4). Corresponding sides are proportional
5). 5). Segment addition postulate
6). 6).
7). 7). Subtract 1 from both sides
8). 8). Take the reciprocal of both sides
