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A ladder (length 314 cm) is leaning up against a wall. The length between the ladder and the wall is 1.54 m. At what angle is the ladder leaning up against the wall? Round your answer to 2 d.p.

In situations like this I would always find it best to draw a diagram with all the information we know labelled on it. Firstly, however, notice that our measurements are in different units. You can convert t...
GW
Answered by Gemma W. • Maths tutor
3964 Views

How is the perfect tense formed in German?

To form the perfect tense in German you use an auxiliary verb, either 'haben' or 'sein', plus the past participle of the main verb in the sentence. Most verbs take 'haben' when used in the perfect tense, but...
TP
Answered by Toby P. • German tutor
2712 Views

How do you form the imperfect subjuctive?

You take the present active infinitive of the verb, which is the part of the verb that means "to do something" and you add on the endings -m, -s, -t, mus, -tis, -nt. For example, the first person o...
MD
Answered by Mia D. • Latin tutor
2233 Views

Why do different metals burn with different colors?

This is because when the metals are heated (burned), their electrons can briefly 'jump' from lower energy electron shells to higher energy electron shells. This requires energy to happen, and light is not re...
FL
Answered by Frank L. • Chemistry tutor
10355 Views

How do I multiply fractions?

This is simpler than you think when you break it down. Just multiply both the numerators (the top number of your fraction) together for the new numerator of the fraction in your answer. Then do the same for ...
RM
Answered by Ria M. • Maths tutor
4019 Views