# Taken parallel to the base, which of the following solids has a cross-section that is not a rectangle?

(i) rectangular pyramid

(ii) square pyramid

(iii) triangular pyramid

(iv) rectangular prism

**Solution:**

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From the above diagrams, we observe that taken parallel to the base, the solid that does not have a rectangular cross-section is the triangular pyramid, option (iii).

## Taken parallel to the base, which of the following solids has a cross-section that is not a rectangle?

(i) rectangular pyramid, (ii) square pyramid, (iii) triangular pyramid, (iv) rectangular prism

**Summary:**

Taken parallel to the base, the triangular pyramid has a cross-section that is not a rectangle

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