# tarekegn

Most popular questions and responses by tarekegn
1. ## math

A40m deep well with radius 3.5m is dug and the earth taken out is evenly spread to form aplateform of dimension 28m by 22m.find the height of the platform.

2. ## math

Q2. An agriculture field is rectangular,with dimensions 100m by 42m.A 20m deep well of diameter 14m is dug in acorner of the field and the earth taken out is spread evenly over the remaining part of the field. Find the increase in the level of the field.

3. ## math

Aglass cylinder with aradius of 7cm has water up to aheight of 9cm. Ametal cube of 5.5cm edge is immersed in it completely. Calculate the height by which the water rises in the cylinder.

4. ## maths

A glass cylinder with aradius of 7cm has water up to aheight of gcm. A metal cube of 5.5cm edge is immersed in it completely. Calculate the height by which the water rises in the cylinder.

5. ## maths

two chords,AB and CD ,of acircle intersect at right angles at a point inside the circle. If m(angleBAC):35,FIND m(angleABD).

6. ## math

find the perimeter and area of asegment of acircle of radius 8cm, cut off by achord that subtends acentral angle of: A,120 B,3/4 paiy radians

7. ## maths

calculet the volume and total surface area of aright circular cylinder of height 1m and radius 70cm.

8. ## geography

blak forces push rocks togather,blak force pull rocks apart.

9. ## math

The areas of two similar triangles are 144cm square and 81cm square. If one side of the first triangle is 6cm, what is the length of the corresponding side of the second?