Area and peremeter of polygons

The longer side of a parallelogram is 9 cm. Find the shorter side and peremeter of this parallelogram if its altitudes have lengths 18 cm and 10 cm.

• 4cm and 28cm

• 4cm and 40cm

• 5cm and 28cm

• 5cm and 50cm

The length of a rectangle is 7cm longer than its width. Find its area if its perimeter is 90cm.

• $400cm^2$

• $494cm^2$

• $512cm^2$

• $524cm^2$

What is the area of a rhombus whose diagonals are 8cmm and 12cm in length?

• $96cm^2$

• $80cm^2$

• $60cm^2$

• $48cm^2$

The side of a parallelogram are 12cm and 20cm. Find the length of its longer altitude if the length of its shorter altitude is 3cm.

• 4cm

• 5cm

• 6cm

• 8cm

The following figure is a parallelogram. Find the shaded areas if A(ABCD)= $48cm^2$  

•  $12cm^2$  

•  $24cm^2$  

•  $28cm^2$  

•  $48cm^2$  

Find the area of the shaded region.

• $12cm^2$

• $20cm^2$

• $24cm^2$

• $48cm^2$

The peremeter of a kite ABCD is 48cm and the length of the short side is 10cm. Find the length of the long side.

• 14cm

• 24cm

• 28cm

• 38cm

Find the perimeter of trapezoid.

• 37cm

• 38cm

• 40cm

• 42cm

Find the area of trapezoid.

• $50cm^2$

• $70cm^2$

• $90cm^2$

• $100cm^2$

Find the area of the given shape.

• $20cm^2$

• $24cm^2$

• $28cm^2$

• $32cm^2$