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A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.

Firstly, look at the given area of the rectangle. As this is 20cm 2 , the length and width of the rectangle could be a combination of 20 and 1; 10 and 2 or 5 and 4. Any of thse options could be used to solve...
AP
Answered by Abhiraj P. • Maths tutor
14427 Views

The area of the cross section of a prism is 30 cm2 . The length of the prism is 25 cm. Work out the volume of the prism.

If the cross section is 30cm 2 , then we need to multiply the cross section by the length of the prism therefore, it should be 30x25, which is 750cm 2
KZ
Answered by Kevin Z. • Maths tutor
14805 Views

Using a diagram, outline the path the blood takes through the human body, starting with the aorta and identifying the major vessels and chambers of the heart.

Aorta --> systemic circulation [branches in order: coronary artery (to supply the heart), carotid artery (to supply the head), hepatic artery (to supply the liver), mesenteric artery (to supply the gut), ...
SG
Answered by Sophie G. • Biology tutor
3425 Views

ABC are points on a circle, centre O. AO=9cm, OC=9cm and AC=15cm. Find the angle ABC.

Diagrams would be used to help visualise the answer. To find the angle OAC, the cosine rule needs to be used: cosA = (b 2 + c 2 - a 2 )/2bc. Therefore, looking at the diagram, (15 2 + 9 2 - 9 2 )/2x15x9 = co...
IP
Answered by Imogen P. • Maths tutor
4602 Views

Beschreiben Sie Ihr zukünftiges Traumhaus

Wenn ich an mein zukünftiges Traumhaus denke, denke ich an ein großartiges Haus mit Balkon, Schwimmbad und meinem eigenen Kino! In meinem Haus würde ich mit meiner Familie und meinem Hund wohnen, da ohne ihn...
LD
Answered by Lucia D. • German tutor
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