IGCSE Mathematics Paper-1: Specimen Questions with Answers 84 - 86 of 175

Explanation

Here, wire is of 200 centimeters and it cut into equal length of centimeters that means .

So, 1 wire = 200 centimeters

Then? wires = 8.33 centimeters

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Essay Question▾

Describe in Detail

Solve:

The diagram shows the route of a fishing boat. The boat sails from A to B on a bearing and then from B to C on a bearing , AB = BC.

(a) How is angle ABC = .

(b) Solve bearing of C from A.

Explanation

Here, the boat sails from A to B on a bearing and then from B to C on a bearing , AB = BC. Let take North = N

(a) Here,

= and =

Now, DAB =

Now, DAB and will be alternate interior angles which are of same angles: .

So, =

Now,

(b) Here, as given AB = BC and .

• So, from A to C bearing will be

Explanation

Here, Total money is

Ratio of Mahesh and Jayraj’s sharing is . So, total is

So, Mahesh has and Jayraj has money.

So, Mahesh will have and Jayraj will have .