Diagonals of rhombus, d1=10cm, d2=4cm

Area of rhombus PSK= \frac{1}{2}\times d1 \times d2 = \frac{1}{2} \times 10 \times 4 = 20 sq cmZSK

Area of rhombus PSK= \frac{1}{2}\times d1 \times d2 = \frac{1}{2} \times 10 \times 4 = 20 sq cmZSK

Question

asked 2021-02-18

if the diagonals of a rombus are 10 cm and 4cm respectively find the area of rombus

asked 2021-01-28

Find the area of the regular polygon with the given apothem a and side length s.
decagon, a = 10 m, s = 6.5 m

asked 2020-12-15

The area of a rectangular cloth is (6x2 - 19x - 85) cm2.
The length is (2x + 5) cm. Find the width.

asked 2021-01-06

A cylinder has a surface area of 748 cm² and a radius of 7 cm. Estimate the volume of the cylinder to the nearest whole number.

asked 2021-02-10

A games shop sells marbles
in clear plastic cylinders.
Four marbles fit across the
diameter of the cylinder, and
10 marbles fit from the base
to the top of the cylinder.
Each marble has a diameter
of 2cm2cm. What is the area of
the plastic that is needed to
nake one cylinder?

asked 2020-12-28

Surface area Suppose that the radius rr and surface area
\(S=4πr2S=4πr^{2}\)

of a sphere are differentiable functions of tt. Write an equation that relates dS/dtdS/dt to dr/dtdr/dt.

of a sphere are differentiable functions of tt. Write an equation that relates dS/dtdS/dt to dr/dtdr/dt.

asked 2020-10-23

Surface area Suppose that the radius rr and surface area
\(\displaystyle{S}={4}π{r}{2}{S}={4}π{r}^{{{2}}}\)

of a sphere are differentiable functions of tt. Write an equation that relates dS/dtdS/dt to dr/dtdr/dt.

of a sphere are differentiable functions of tt. Write an equation that relates dS/dtdS/dt to dr/dtdr/dt.

asked 2021-01-31

The length of a rectangle is 4 cm less than twice its width. Its perimeter is 40 cm. Find its length and width.

asked 2021-01-13

The base of a rectangular prism has an area of 19.4 square meters and the prism has a volume of 306.52 cubic meters. Write an equation that can be used to find the height h of the prism. Then find the height of the prism.

asked 2021-02-21

Find the area of the regular polygon with the given apothem a and side length s.
decagon, a = 26 m, s = 16.9 m