True False[1 Marks ]

Question 11 Mark

In a right angle triangle, the measure of the side opposite to angle $30^{\circ}$ is half of the hypotenuse.

Answer

true

Question 21 Mark

From the top of the tower, the angles of depression of two houses A and B on east and west sides of it are observed to be $30^{\circ}$ and $60^{\circ}$. Then the house $B$ is closer than the house A from the tower.

Answer

true

View full question & answer→

Question 31 Mark

When the length of the shadow of a tree is equal to the height of the tree, the angle of elevation of the sum is $60^{\circ}$.

Answer

false

View full question & answer→

Question 41 Mark

The angle of elevation of the sun is $\alpha$ at $8$ O'clock and $\beta$ at $10$ O'clock in the morning. Then $\alpha<\beta$.

Answer

true

View full question & answer→

Question 51 Mark

The angle of elevation of a house from a point A on the ground is $45^{\circ}$. The distance of a house from $A$ is $x$ and the height of a house is $y$. Then $x>y$.

Answer

false

View full question & answer→

Question 61 Mark

In a right angle triangle one of the angle has measure $60^{\circ}$. The length of its opposite side is $\frac{\sqrt{3}}{2}$ times its hypotenuse.

Answer

true

View full question & answer→

Question 71 Mark

Approximate decimal value of $\sqrt{3}$ is $1.832 .$

Answer

true