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A right-angled triangle has a base of 5 cm, a height of 12 cm. Find the length of the hypotenuse.

Draw the triangle.Let the base = a, height = b and hypotenuse = ca = 5, b = 12, c = ?Using Pythagoras theorem, a² + b² = c²so, 5² + 12² = c²

Answered by Abhiyan B. • Maths tutor

12340 Views

ABCD is a regular paralleogram, A=(2,1) B=(7,2) and C=(4,6), work out the gradient of the line CD and then work out the area of ABCD.

As its a parallelogram the gradient of CD will be the same as the gradient of AB so you just need to work out the gradient of AB using the formula (y₂-y₁)/(x₂-x₁

Answered by Rachel S. • Maths tutor

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How do I factorise quadratic equations into brackets?

I would go through with the tutee the 4 steps that would

Answered by Josh G. • Maths tutor

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Show that the following 2 lines are parallel: l1: 3y=15x+17 l2: 7y+5=35x

Both of these lines are straight lines since they only have x and y to powers of 1; and constants. Straight lines can be defined if two parameters are known, the gradient and the y-intercept. For two line...

Answered by Tutor121905 D. • Maths tutor

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In a cinema, male to female ratio is - 1:3. The ratio of the females, who like popcorn to females who don't like popcorn is 2:1. 10 girls don't like popcorn. How many people are there in the cinema altogether?

Ratio of females who like popcorn to the females who don't like popcorn is 2:1. If 10 females don't like popcorn, then (10 *2) 20 females like popcorn. 10+20 = 30 females altogether. 30/3= 10 males altog...

Answered by Yashaswi B. • Maths tutor

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