Advertisements
Advertisements
प्रश्न
In the given figure, AB is perpendicular to BC at B.
Find:
(i) the value of x.
(ii) the complement of angle x.
Advertisements
उत्तर
(i) In the given figure,
AB + BC at B.
∴ ∠ABC = 90°
⇒ x + 20° + 2x + 1° + 7x − 11° = 90°
⇒ 10x + 10° = 90°
⇒ 10x = 90°− 10° = 80°
⇒ x =`(80°)/10` = 8°
Hence x = 8°
(ii) Complement of angle x = 90°− x
= 90°− 8° = 82°
APPEARS IN
संबंधित प्रश्न
statement are true and false
If angles forming a linear pair are equal, then each of these angles is of measure 90°.
Define complementary angles.
An angle is equal to five times its complement. Determine its measure.
How many rays can be drawn through a fixed point O?
out of \[\overleftrightarrow{AB},\overrightarrow{AB},\overleftarrow{AB}\] and `overline(AB)` which one has a fixed length?
In the following figure, ∠AOB and ∠AOC are adjacent angles? Give the reason for your answer.
In the following figure, ∠AOB and ∠AOC are adjacent angles? Give the reason for your answer.
Find y in the given figure.
Write the complement of 90°
Write the complement of a°
