The expression (4c − 3d)(3c + d) is equivalent to:
1 answer:
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<h2>Given :-</h2>
- Two adjacent angles of a parallelogram are in the ratio of 5 : 2.
- What is the all angles of the parallelogram.
Let, the first angles be 5x
And, the second angles will be 2x
As we know that,
★ Sum of all angles = 180° ★
According to the question by using the formula we get,
- ⇒ 5x+2x=180°
- ⇒7x=180°
- ⇒
- ➠
Hence, the required angles are,
- First angles = 5x = 5(25.7°) = 128.5°
- Second angles = 2(25.7°) = 51.4°
As we know that,
opposite angles in a parallelogram
is equal.
∴ The all angles of a parallelogram is 128.5°,51.4°, 128.5° and 51.4°.