Question

Answer this questions according to the given attachment .

1) A model of a boat is made on a scale of 1:4. The model is 120cm long. The
full size of the boat has a width of 60cm. What is the width of the scale. model?

2) What will effect the similarity of any two polygons?
options :-
(i) They are flipped horizontally
(ii) They are dilated by a scale factor
(iii) They are translated down
(iv) They are not the mirror image of one another.

3) If two similar triangles have a scale factor a:b. Which statement regarding the two triangles is true?
(i) The ratio of their perimeters is 3a:b.
(ii) Their altitudes have a ratio a:b.
(iii) Their medians have a ratio a/2 :b.
(iv) Their angle bisectors have a ratio a^2:b^2

4) The shadow of a stick 5m long is 2m .At the same time the shadow of a tree 12.5m high is :-
(i) 3m
(ii) 3.5m
(iii) 4.5m
(iv) 5m

Wanted satisfied answer ✅

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Answer 1

Answer:

1) 15cm

2) last option is the right option

3) first option is the right option

4) last option is the right option

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