All the angles of a quadrilateral can be acute. Is this statement true? Give reasons for your answer.

All the angles of a quadrilateral can be obtuse. Is this statement ture? Give reasons for your answer.

All the angles of a quadrilateral can be right angles. Is this statement true? Give reasons for your answer.

Diagonals of a rectangle are equal and perpendicular. Is this statement true ? Give reason for your answer.

Diagonals of a rectangle are equal and perpendicular. Is this statement true ? Give reason for your answer.

Diagonals of a rectangled are equal are perpendicular. Is this statement true? Give reasons for your answer.

"The value of acceleration due to gravity remains the same at all places on the Earth.s surface". Is this statement true? Give reason for your answer.

"The value of g remains same at all places on the earth surface'. Is this statement true ? Give reason for your answer.

Can all the angles of a quadrilateral be acute angles? Give reasonf for you answer.

Can all the angles of a quadrilateral be acute angles ? Give reason for your answer.

Can all the angles of a quadrilateral be acute angles ? Give reason for your answer.